97210685 has 32 divisors (see below), whose sum is σ = 138862080. Its totient is φ = 64396800.

The previous prime is 97210651. The next prime is 97210691. The reversal of 97210685 is 58601279.

It is not a de Polignac number, because 97210685 - 2¹² = 97206589 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55625 + ... + 57345.

It is an arithmetic number, because the mean of its divisors is an integer number (4339440).

Almost surely, 2^97210685 is an apocalyptic number.

It is an amenable number.

97210685 is a deficient number, since it is larger than the sum of its proper divisors (41651395).

97210685 is a wasteful number, since it uses less digits than its factorization.

97210685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 97210685 is about 9859.5479105281. The cubic root of 97210685 is about 459.8025065890.

The spelling of 97210685 in words is "ninety-seven million, two hundred ten thousand, six hundred eighty-five".