97964940 has 24 divisors (see below), whose sum is σ = 274302000. Its totient is φ = 26123968.

The previous prime is 97964927. The next prime is 97964947. The reversal of 97964940 is 4946979.

It is a self number, because there is not a number n which added to its sum of digits gives 97964940.

It is not an unprimeable number, because it can be changed into a prime (97964947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816315 + ... + 816434.

It is an arithmetic number, because the mean of its divisors is an integer number (11429250).

Almost surely, 2^97964940 is an apocalyptic number.

It is an amenable number.

97964940 is an abundant number, since it is smaller than the sum of its proper divisors (176337060).

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

97964940 is a wasteful number, since it uses less digits than its factorization.

97964940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632761 (or 1632759 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 97964940 is about 9897.7239807948. The cubic root of 97964940 is about 460.9886424112.

The spelling of 97964940 in words is "ninety-seven million, nine hundred sixty-four thousand, nine hundred forty".