97280904 has 32 divisors (see below), whose sum is σ = 277945920. Its totient is φ = 27794496.

The previous prime is 97280903. The next prime is 97280923. The reversal of 97280904 is 40908279.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97280903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289359 + ... + 289694.

It is an arithmetic number, because the mean of its divisors is an integer number (8685810).

Almost surely, 2^97280904 is an apocalyptic number.

It is an amenable number.

97280904 is an abundant number, since it is smaller than the sum of its proper divisors (180665016).

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

97280904 is a wasteful number, since it uses less digits than its factorization.

97280904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579069 (or 579065 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 97280904 is about 9863.1082321954. The cubic root of 97280904 is about 459.9131909282.

The spelling of 97280904 in words is "ninety-seven million, two hundred eighty thousand, nine hundred four".