2392731 has 12 divisors (see below), whose sum is σ = 3770520. Its totient is φ = 1450080.

The previous prime is 2392729. The next prime is 2392751. The reversal of 2392731 is 1372932.

It is not a de Polignac number, because 2392731 - 2¹ = 2392729 is a prime.

It is a super-2 number, since 2×2392731² = 11450323276722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

2392731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2392695 and 2392704.

It is not an unprimeable number, because it can be changed into a prime (2392711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11986 + ... + 12183.

It is an arithmetic number, because the mean of its divisors is an integer number (314210).

2^2392731 is an apocalyptic number.

2392731 is a deficient number, since it is larger than the sum of its proper divisors (1377789).

2392731 is a wasteful number, since it uses less digits than its factorization.

2392731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24186 (or 24183 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2392731 is about 1546.8454997187. The cubic root of 2392731 is about 133.7512836515.

The spelling of 2392731 in words is "two million, three hundred ninety-two thousand, seven hundred thirty-one".