97924690 has 16 divisors (see below), whose sum is σ = 176382360. Its totient is φ = 39143680.

The previous prime is 97924679. The next prime is 97924699. The reversal of 97924690 is 9642979.

It can be written as a sum of positive squares in 4 ways, for example, as 97673689 + 251001 = 9883^2 + 501^2 .

It is a super-2 number, since 2×97924690² = 19178489823192200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97924690.

It is not an unprimeable number, because it can be changed into a prime (97924699) 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, 20970 + ... + 25210.

Almost surely, 2^97924690 is an apocalyptic number.

97924690 is a deficient number, since it is larger than the sum of its proper divisors (78457670).

97924690 is a wasteful number, since it uses less digits than its factorization.

97924690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6557.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 97924690 is about 9895.6904761618. The cubic root of 97924690 is about 460.9254996359.

The spelling of 97924690 in words is "ninety-seven million, nine hundred twenty-four thousand, six hundred ninety".