2923239 has 12 divisors (see below), whose sum is σ = 4284728. Its totient is φ = 1771440.

The previous prime is 2923213. The next prime is 2923247. The reversal of 2923239 is 9323292.

It is a happy number.

It is not a de Polignac number, because 2923239 - 2²¹ = 826087 is a prime.

It is a super-2 number, since 2×2923239² = 17090652502242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3664 + ... + 4389.

2^2923239 is an apocalyptic number.

2923239 is a deficient number, since it is larger than the sum of its proper divisors (1361489).

2923239 is a wasteful number, since it uses less digits than its factorization.

2923239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8067 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 2923239 is about 1709.7482270791. The cubic root of 2923239 is about 142.9842191659.

The spelling of 2923239 in words is "two million, nine hundred twenty-three thousand, two hundred thirty-nine".