274943289 has 16 divisors (see below), whose sum is σ = 370242432. Its totient is φ = 181479168.

The previous prime is 274943257. The next prime is 274943303. The reversal of 274943289 is 982349472.

It is not a de Polignac number, because 274943289 - 2⁵ = 274943257 is a prime.

It is a super-2 number, since 2×274943289² = 151187624332275042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (274943239) 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 15 ways as a sum of consecutive naturals, for example, 145857 + ... + 147729.

It is an arithmetic number, because the mean of its divisors is an integer number (23140152).

Almost surely, 2^274943289 is an apocalyptic number.

It is an amenable number.

274943289 is a deficient number, since it is larger than the sum of its proper divisors (95299143).

274943289 is a wasteful number, since it uses less digits than its factorization.

274943289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336.

The product of its digits is 870912, while the sum is 48.

The square root of 274943289 is about 16581.4139626270. The cubic root of 274943289 is about 650.2510186304.

The spelling of 274943289 in words is "two hundred seventy-four million, nine hundred forty-three thousand, two hundred eighty-nine".