97210380 has 48 divisors (see below), whose sum is σ = 273218400. Its totient is φ = 25824768.

The previous prime is 97210363. The next prime is 97210391. The reversal of 97210380 is 8301279.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13696 + ... + 19544.

It is an arithmetic number, because the mean of its divisors is an integer number (5692050).

Almost surely, 2^97210380 is an apocalyptic number.

It is an amenable number.

97210380 is an abundant number, since it is smaller than the sum of its proper divisors (176008020).

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

97210380 is a wasteful number, since it uses less digits than its factorization.

97210380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6136 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 97210380 is about 9859.5324432754. The cubic root of 97210380 is about 459.8020257093.

The spelling of 97210380 in words is "ninety-seven million, two hundred ten thousand, three hundred eighty".