971393402 has 32 divisors (see below), whose sum is σ = 1733889024. Its totient is φ = 399484800.

The previous prime is 971393399. The next prime is 971393429. The reversal of 971393402 is 204393179.

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 15 ways as a sum of consecutive naturals, for example, 21143 + ... + 48885.

It is an arithmetic number, because the mean of its divisors is an integer number (54184032).

Almost surely, 2^971393402 is an apocalyptic number.

971393402 is a deficient number, since it is larger than the sum of its proper divisors (762495622).

971393402 is a wasteful number, since it uses less digits than its factorization.

971393402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27854.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 971393402 is about 31167.1846980121. The cubic root of 971393402 is about 990.3720677476.

The spelling of 971393402 in words is "nine hundred seventy-one million, three hundred ninety-three thousand, four hundred two".