97223904 has 36 divisors (see below), whose sum is σ = 276481296. Its totient is φ = 32407872.

The previous prime is 97223879. The next prime is 97223909. The reversal of 97223904 is 40932279.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97223909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168504 + ... + 169079.

It is an arithmetic number, because the mean of its divisors is an integer number (7680036).

Almost surely, 2^97223904 is an apocalyptic number.

It is an amenable number.

97223904 is an abundant number, since it is smaller than the sum of its proper divisors (179257392).

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

97223904 is a wasteful number, since it uses less digits than its factorization.

97223904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337599 (or 337588 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 97223904 is about 9860.2182531626. The cubic root of 97223904 is about 459.8233474182.

The spelling of 97223904 in words is "ninety-seven million, two hundred twenty-three thousand, nine hundred four".