2392285921 has 9 divisors (see below), whose sum is σ = 2436459411. Its totient is φ = 2348901864.

The previous prime is 2392285897. The next prime is 2392285933. The reversal of 2392285921 is 1295822932.

The square root of 2392285921 is 48911.

It is a perfect power (a square), and thus also a powerful number.

2392285921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1377226321 + 1015059600 = 37111^2 + 31860^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2392285921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2392285981) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2885335 + ... + 2886163.

Almost surely, 2^2392285921 is an apocalyptic number.

2392285921 is the 48911-st square number.

2392285921 is the 24456-th centered octagonal number.

It is an amenable number.

2392285921 is a deficient number, since it is larger than the sum of its proper divisors (44173490).

2392285921 is an frugal number, since it uses more digits than its factorization.

2392285921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 888 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The cubic root of 2392285921 is about 1337.4298997936.

The spelling of 2392285921 in words is "two billion, three hundred ninety-two million, two hundred eighty-five thousand, nine hundred twenty-one".