97999412 has 36 divisors (see below), whose sum is σ = 208182240. Its totient is φ = 40171824.

The previous prime is 97999399. The next prime is 97999427. The reversal of 97999412 is 21499979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6362 + ... + 15377.

It is an arithmetic number, because the mean of its divisors is an integer number (5782840).

Almost surely, 2^97999412 is an apocalyptic number.

97999412 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

97999412 is an abundant number, since it is smaller than the sum of its proper divisors (110182828).

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

97999412 is a wasteful number, since it uses less digits than its factorization.

97999412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21780 (or 21771 counting only the distinct ones).

The product of its digits is 367416, while the sum is 50.

The square root of 97999412 is about 9899.4652380823. The cubic root of 97999412 is about 461.0427071167.

The spelling of 97999412 in words is "ninety-seven million, nine hundred ninety-nine thousand, four hundred twelve".