341991049 has 3 divisors (see below), whose sum is σ = 342009543. Its totient is φ = 341972556.

The previous prime is 341991047. The next prime is 341991073. The reversal of 341991049 is 940199143.

The square root of 341991049 is 18493.

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 can be written as a sum of positive squares in only one way, i.e., 138415225 + 203575824 = 11765^2 + 14268^2 .

It is not a de Polignac number, because 341991049 - 2¹ = 341991047 is a prime.

It is a super-2 number, since 2×341991049² = 233915755192240802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (341991047) 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, 9247 + ... + 27739.

It is an arithmetic number, because the mean of its divisors is an integer number (114003181).

Almost surely, 2^341991049 is an apocalyptic number.

341991049 is the 18493-rd square number.

341991049 is the 9247-th centered octagonal number.

It is an amenable number.

341991049 is a deficient number, since it is larger than the sum of its proper divisors (18494).

341991049 is an frugal number, since it uses more digits than its factorization.

341991049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36986 (or 18493 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The cubic root of 341991049 is about 699.3129646854.

It can be divided in two parts, 34199104 and 9, that multiplied together give a square (307791936 = 17544²).

The spelling of 341991049 in words is "three hundred forty-one million, nine hundred ninety-one thousand, forty-nine".