298172256 has 24 divisors (see below), whose sum is σ = 782702424. Its totient is φ = 99390720.

The previous prime is 298172249. The next prime is 298172261. The reversal of 298172256 is 652271892.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552885 + ... + 1553076.

It is an arithmetic number, because the mean of its divisors is an integer number (32612601).

Almost surely, 2^298172256 is an apocalyptic number.

It is an amenable number.

298172256 is an abundant number, since it is smaller than the sum of its proper divisors (484530168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298172256 is a wasteful number, since it uses less digits than its factorization.

298172256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105974 (or 3105966 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 298172256 is about 17267.6650419216. The cubic root of 298172256 is about 668.0706774991.

The spelling of 298172256 in words is "two hundred ninety-eight million, one hundred seventy-two thousand, two hundred fifty-six".