97162540 has 24 divisors (see below), whose sum is σ = 204427440. Its totient is φ = 38791488.

The previous prime is 97162537. The next prime is 97162543. The reversal of 97162540 is 4526179.

It is an interprime number because it is at equal distance from previous prime (97162537) and next prime (97162543).

It is a junction number, because it is equal to n+sod(n) for n = 97162496 and 97162505.

It is not an unprimeable number, because it can be changed into a prime (97162543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6946 + ... + 15574.

It is an arithmetic number, because the mean of its divisors is an integer number (8517810).

Almost surely, 2^97162540 is an apocalyptic number.

It is an amenable number.

97162540 is an abundant number, since it is smaller than the sum of its proper divisors (107264900).

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

97162540 is a wasteful number, since it uses less digits than its factorization.

97162540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201 (or 9199 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 97162540 is about 9857.1060661839. The cubic root of 97162540 is about 459.7265861032.

The spelling of 97162540 in words is "ninety-seven million, one hundred sixty-two thousand, five hundred forty".