97992402 has 16 divisors (see below), whose sum is σ = 196339680. Its totient is φ = 32604992.

The previous prime is 97992379. The next prime is 97992463. The reversal of 97992402 is 20429979.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11127 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (12271230).

Almost surely, 2^97992402 is an apocalyptic number.

97992402 is an abundant number, since it is smaller than the sum of its proper divisors (98347278).

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

97992402 is a wasteful number, since it uses less digits than its factorization.

97992402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29577.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 97992402 is about 9899.1111722215. Note that the first 4 decimals coincide. The cubic root of 97992402 is about 461.0317138996.

The spelling of 97992402 in words is "ninety-seven million, nine hundred ninety-two thousand, four hundred two".