97660238 has 32 divisors (see below), whose sum is σ = 162261792. Its totient is φ = 43804800.

The previous prime is 97660201. The next prime is 97660243. The reversal of 97660238 is 83206679.

It is a junction number, because it is equal to n+sod(n) for n = 97660195 and 97660204.

It is a congruent number.

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, 180248 + ... + 180788.

It is an arithmetic number, because the mean of its divisors is an integer number (5070681).

Almost surely, 2^97660238 is an apocalyptic number.

97660238 is a deficient number, since it is larger than the sum of its proper divisors (64601554).

97660238 is a wasteful number, since it uses less digits than its factorization.

97660238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 97660238 is about 9882.3194645792. The cubic root of 97660238 is about 460.5102057962.

The spelling of 97660238 in words is "ninety-seven million, six hundred sixty thousand, two hundred thirty-eight".