97190808 has 64 divisors (see below), whose sum is σ = 285465600. Its totient is φ = 27185280.

The previous prime is 97190791. The next prime is 97190809. The reversal of 97190808 is 80809179.

It is a self number, because there is not a number n which added to its sum of digits gives 97190808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97190809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10728 + ... + 17591.

It is an arithmetic number, because the mean of its divisors is an integer number (4460400).

Almost surely, 2^97190808 is an apocalyptic number.

It is an amenable number.

97190808 is an abundant number, since it is smaller than the sum of its proper divisors (188274792).

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

97190808 is a wasteful number, since it uses less digits than its factorization.

97190808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28352 (or 28348 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 97190808 is about 9858.5398513167. The cubic root of 97190808 is about 459.7711653243.

The spelling of 97190808 in words is "ninety-seven million, one hundred ninety thousand, eight hundred eight".