97311400 has 48 divisors (see below), whose sum is σ = 239566140. Its totient is φ = 36633600.

The previous prime is 97311397. The next prime is 97311421. The reversal of 97311400 is 411379.

It can be written as a sum of positive squares in 6 ways, for example, as 17994564 + 79316836 = 4242^2 + 8906^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10911 + ... + 17710.

Almost surely, 2^97311400 is an apocalyptic number.

It is an amenable number.

97311400 is an abundant number, since it is smaller than the sum of its proper divisors (142254740).

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

97311400 is a wasteful number, since it uses less digits than its factorization.

97311400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28654 (or 28645 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 97311400 is about 9864.6540740160. The cubic root of 97311400 is about 459.9612443719.

Adding to 97311400 its reverse (411379), we get a palindrome (97722779).

The spelling of 97311400 in words is "ninety-seven million, three hundred eleven thousand, four hundred".