97204905 has 24 divisors (see below), whose sum is σ = 192558912. Its totient is φ = 44436384.

The previous prime is 97204901. The next prime is 97204937. The reversal of 97204905 is 50940279.

It is not a de Polignac number, because 97204905 - 2² = 97204901 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97204905.

It is not an unprimeable number, because it can be changed into a prime (97204901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153979 + ... + 154608.

It is an arithmetic number, because the mean of its divisors is an integer number (8023288).

Almost surely, 2^97204905 is an apocalyptic number.

It is an amenable number.

97204905 is a deficient number, since it is larger than the sum of its proper divisors (95354007).

97204905 is a wasteful number, since it uses less digits than its factorization.

97204905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308605 (or 308602 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 97204905 is about 9859.2547892830. The cubic root of 97204905 is about 459.7933933549.

The spelling of 97204905 in words is "ninety-seven million, two hundred four thousand, nine hundred five".