297689964 has 96 divisors (see below), whose sum is σ = 820264704. Its totient is φ = 82840320.

The previous prime is 297689939. The next prime is 297689999. The reversal of 297689964 is 469986792.

It is a junction number, because it is equal to n+sod(n) for n = 297689898 and 297689907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485322 + ... + 485934.

It is an arithmetic number, because the mean of its divisors is an integer number (8544424).

Almost surely, 2^297689964 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 297689964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410132352).

297689964 is an abundant number, since it is smaller than the sum of its proper divisors (522574740).

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

297689964 is a wasteful number, since it uses less digits than its factorization.

297689964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 925 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 60.

The square root of 297689964 is about 17253.6942131243. The cubic root of 297689964 is about 667.7102828897.

The spelling of 297689964 in words is "two hundred ninety-seven million, six hundred eighty-nine thousand, nine hundred sixty-four".