97999492 has 48 divisors (see below), whose sum is σ = 193294080. Its totient is φ = 43200000.

The previous prime is 97999477. The next prime is 97999513. The reversal of 97999492 is 29499979.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130117 + ... + 130867.

It is an arithmetic number, because the mean of its divisors is an integer number (4026960).

Almost surely, 2^97999492 is an apocalyptic number.

It is an amenable number.

97999492 is a deficient number, since it is larger than the sum of its proper divisors (95294588).

97999492 is a wasteful number, since it uses less digits than its factorization.

97999492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 58.

The square root of 97999492 is about 9899.4692787038. The cubic root of 97999492 is about 461.0428325713.

It can be divided in two parts, 9799 and 9492, that added together give a palindrome (19291).

The spelling of 97999492 in words is "ninety-seven million, nine hundred ninety-nine thousand, four hundred ninety-two".