97481800 has 48 divisors (see below), whose sum is σ = 244085940. Its totient is φ = 35992320.

The previous prime is 97481779. The next prime is 97481801. The reversal of 97481800 is 818479.

It can be written as a sum of positive squares in 6 ways, for example, as 9084196 + 88397604 = 3014^2 + 9402^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 97481800.

It is not an unprimeable number, because it can be changed into a prime (97481801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16147 + ... + 21346.

Almost surely, 2^97481800 is an apocalyptic number.

It is an amenable number.

97481800 is an abundant number, since it is smaller than the sum of its proper divisors (146604140).

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

97481800 is a wasteful number, since it uses less digits than its factorization.

97481800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37522 (or 37513 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 97481800 is about 9873.2871932300. The cubic root of 97481800 is about 460.2295640554.

The spelling of 97481800 in words is "ninety-seven million, four hundred eighty-one thousand, eight hundred".