349353481 has 3 divisors (see below), whose sum is σ = 349372173. Its totient is φ = 349334790.

The previous prime is 349353439. The next prime is 349353523. The reversal of 349353481 is 184353943.

It is a happy number.

The square root of 349353481 is 18691.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (349353439) and next prime (349353523).

It is not a de Polignac number, because 349353481 - 2¹³ = 349345289 is a prime.

It is a super-2 number, since 2×349353481² = 244095709373634722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349353881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9346 + ... + 28036.

It is an arithmetic number, because the mean of its divisors is an integer number (116457391).

Almost surely, 2^349353481 is an apocalyptic number.

349353481 is the 18691-st square number.

349353481 is the 9346-th centered octagonal number.

It is an amenable number.

349353481 is a deficient number, since it is larger than the sum of its proper divisors (18692).

349353481 is an frugal number, since it uses more digits than its factorization.

349353481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37382 (or 18691 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The cubic root of 349353481 is about 704.2956807475.

It can be divided in two parts, 34935 and 3481, that added together give a 4-th power (38416 = 14⁴).

The spelling of 349353481 in words is "three hundred forty-nine million, three hundred fifty-three thousand, four hundred eighty-one".