297898956 has 72 divisors (see below), whose sum is σ = 799606080. Its totient is φ = 93190656.

The previous prime is 297898949. The next prime is 297898987. The reversal of 297898956 is 659898792.

It is a junction number, because it is equal to n+sod(n) for n = 297898893 and 297898902.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 413965 + ... + 414683.

It is an arithmetic number, because the mean of its divisors is an integer number (11105640).

Almost surely, 2^297898956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297898956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399803040).

297898956 is an abundant number, since it is smaller than the sum of its proper divisors (501707124).

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

297898956 is a wasteful number, since it uses less digits than its factorization.

297898956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423 (or 1418 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The square root of 297898956 is about 17259.7495926216. The cubic root of 297898956 is about 667.8665007463.

The spelling of 297898956 in words is "two hundred ninety-seven million, eight hundred ninety-eight thousand, nine hundred fifty-six".