97481620 has 12 divisors (see below), whose sum is σ = 204711444. Its totient is φ = 38992640.

The previous prime is 97481617. The next prime is 97481653. The reversal of 97481620 is 2618479.

It can be written as a sum of positive squares in 2 ways, for example, as 65739664 + 31741956 = 8108^2 + 5634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97481620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2437021 + ... + 2437060.

It is an arithmetic number, because the mean of its divisors is an integer number (17059287).

Almost surely, 2^97481620 is an apocalyptic number.

It is an amenable number.

97481620 is an abundant number, since it is smaller than the sum of its proper divisors (107229824).

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

97481620 is a wasteful number, since it uses less digits than its factorization.

97481620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874090 (or 4874088 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 97481620 is about 9873.2780777207. The cubic root of 97481620 is about 460.2292807842.

The spelling of 97481620 in words is "ninety-seven million, four hundred eighty-one thousand, six hundred twenty".