97685590 has 8 divisors (see below), whose sum is σ = 175834080. Its totient is φ = 39074232.

The previous prime is 97685579. The next prime is 97685597. The reversal of 97685590 is 9558679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97685597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4884270 + ... + 4884289.

It is an arithmetic number, because the mean of its divisors is an integer number (21979260).

Almost surely, 2^97685590 is an apocalyptic number.

97685590 is a deficient number, since it is larger than the sum of its proper divisors (78148490).

97685590 is a wasteful number, since it uses less digits than its factorization.

97685590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9768566.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 97685590 is about 9883.6020761664. The cubic root of 97685590 is about 460.5500508921.

The spelling of 97685590 in words is "ninety-seven million, six hundred eighty-five thousand, five hundred ninety".