2957439 has 16 divisors (see below), whose sum is σ = 4223232. Its totient is φ = 1834368.

The previous prime is 2957429. The next prime is 2957441. The reversal of 2957439 is 9347592.

It is not a de Polignac number, because 2957439 - 2¹⁷ = 2826367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2957397 and 2957406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2957429) 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, 4972 + ... + 5534.

It is an arithmetic number, because the mean of its divisors is an integer number (263952).

2^2957439 is an apocalyptic number.

2957439 is a deficient number, since it is larger than the sum of its proper divisors (1265793).

2957439 is a wasteful number, since it uses less digits than its factorization.

2957439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its digits is 68040, while the sum is 39.

The square root of 2957439 is about 1719.7206168445. The cubic root of 2957439 is about 143.5396661784.

The spelling of 2957439 in words is "two million, nine hundred fifty-seven thousand, four hundred thirty-nine".