97868904 has 64 divisors (see below), whose sum is σ = 280473600. Its totient is φ = 27877824.

The previous prime is 97868893. The next prime is 97868909. The reversal of 97868904 is 40986879.

It is a happy number.

It is a super-2 number, since 2×97868904² = 19156644740322432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97868909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73089 + ... + 74415.

It is an arithmetic number, because the mean of its divisors is an integer number (4382400).

Almost surely, 2^97868904 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 97868904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140236800).

97868904 is an abundant number, since it is smaller than the sum of its proper divisors (182604696).

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

97868904 is a wasteful number, since it uses less digits than its factorization.

97868904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 97868904 is about 9892.8713728624. The cubic root of 97868904 is about 460.8379559182.

The spelling of 97868904 in words is "ninety-seven million, eight hundred sixty-eight thousand, nine hundred four".