298921152 has 28 divisors (see below), whose sum is σ = 790896056. Its totient is φ = 99640320.

The previous prime is 298921123. The next prime is 298921153. The reversal of 298921152 is 251129892.

It is a super-2 number, since 2×298921152² = 178707710226014208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 298921152.

It is not an unprimeable number, because it can be changed into a prime (298921153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778249 + ... + 778632.

Almost surely, 2^298921152 is an apocalyptic number.

It is an amenable number.

298921152 is an abundant number, since it is smaller than the sum of its proper divisors (491974904).

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

298921152 is a wasteful number, since it uses less digits than its factorization.

298921152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556896 (or 1556886 counting only the distinct ones).

The product of its digits is 25920, while the sum is 39.

The square root of 298921152 is about 17289.3363666741. The cubic root of 298921152 is about 668.6295235618.

The spelling of 298921152 in words is "two hundred ninety-eight million, nine hundred twenty-one thousand, one hundred fifty-two".