297980928 has 264 divisors, whose sum is σ = 1021862400. Its totient is φ = 81838080.

The previous prime is 297980923. The next prime is 297980929. The reversal of 297980928 is 829089792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297980923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1999798 + ... + 1999946.

Almost surely, 2^297980928 is an apocalyptic number.

297980928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297980928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510931200).

297980928 is an abundant number, since it is smaller than the sum of its proper divisors (723881472).

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

297980928 is a wasteful number, since it uses less digits than its factorization.

297980928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 297980928 is about 17262.1240871452. The cubic root of 297980928 is about 667.9277534305.

The spelling of 297980928 in words is "two hundred ninety-seven million, nine hundred eighty thousand, nine hundred twenty-eight".