97919040 has 56 divisors (see below), whose sum is σ = 310896000. Its totient is φ = 26111488.

The previous prime is 97919039. The next prime is 97919069. The reversal of 97919040 is 4091979.

It is a hoax number, since the sum of its digits (39) 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 97919040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50040 + ... + 51959.

Almost surely, 2^97919040 is an apocalyptic number.

It is an amenable number.

97919040 is an abundant number, since it is smaller than the sum of its proper divisors (212976960).

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

97919040 is a wasteful number, since it uses less digits than its factorization.

97919040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102019 (or 102009 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 97919040 is about 9895.4049942385. The cubic root of 97919040 is about 460.9166347311.

The spelling of 97919040 in words is "ninety-seven million, nine hundred nineteen thousand, forty".