2923839 has 6 divisors (see below), whose sum is σ = 4223336. Its totient is φ = 1949220.

The previous prime is 2923831. The next prime is 2923859. The reversal of 2923839 is 9383292.

It is not a de Polignac number, because 2923839 - 2³ = 2923831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162427 + ... + 162444.

2^2923839 is an apocalyptic number.

2923839 is a deficient number, since it is larger than the sum of its proper divisors (1299497).

2923839 is a wasteful number, since it uses less digits than its factorization.

2923839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324877 (or 324874 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 2923839 is about 1709.9236825075. The cubic root of 2923839 is about 142.9940010850.

The spelling of 2923839 in words is "two million, nine hundred twenty-three thousand, eight hundred thirty-nine".