97331690 has 32 divisors (see below), whose sum is σ = 177914880. Its totient is φ = 38334400.

The previous prime is 97331677. The next prime is 97331711. The reversal of 97331690 is 9613379.

It is a super-2 number, since 2×97331690² = 18946915756512200, which contains 22 as substring.

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, 250016 + ... + 250404.

It is an arithmetic number, because the mean of its divisors is an integer number (5559840).

Almost surely, 2^97331690 is an apocalyptic number.

97331690 is a deficient number, since it is larger than the sum of its proper divisors (80583190).

97331690 is a wasteful number, since it uses less digits than its factorization.

97331690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 97331690 is about 9865.6824396491. The cubic root of 97331690 is about 459.9932103598.

The spelling of 97331690 in words is "ninety-seven million, three hundred thirty-one thousand, six hundred ninety".