97292921 has 16 divisors (see below), whose sum is σ = 117272448. Its totient is φ = 79622400.

The previous prime is 97292857. The next prime is 97292963. The reversal of 97292921 is 12929279.

It is not a de Polignac number, because 97292921 - 2⁶ = 97292857 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97292821) 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, 7010 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (7329528).

Almost surely, 2^97292921 is an apocalyptic number.

It is an amenable number.

97292921 is a deficient number, since it is larger than the sum of its proper divisors (19979527).

97292921 is a wasteful number, since it uses less digits than its factorization.

97292921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22672.

The product of its digits is 40824, while the sum is 41.

The square root of 97292921 is about 9863.7174026834. The cubic root of 97292921 is about 459.9321276672.

The spelling of 97292921 in words is "ninety-seven million, two hundred ninety-two thousand, nine hundred twenty-one".