97656198 has 16 divisors (see below), whose sum is σ = 196558320. Its totient is φ = 32344416.

The previous prime is 97656179. The next prime is 97656227. The reversal of 97656198 is 89165679.

It is a self number, because there is not a number n which added to its sum of digits gives 97656198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50893 + ... + 52776.

It is an arithmetic number, because the mean of its divisors is an integer number (12284895).

Almost surely, 2^97656198 is an apocalyptic number.

97656198 is an abundant number, since it is smaller than the sum of its proper divisors (98902122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97656198 is a wasteful number, since it uses less digits than its factorization.

97656198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103831.

The product of its digits is 816480, while the sum is 51.

The square root of 97656198 is about 9882.1150570108. The cubic root of 97656198 is about 460.5038555937.

The spelling of 97656198 in words is "ninety-seven million, six hundred fifty-six thousand, one hundred ninety-eight".