2904739 has 18 divisors (see below), whose sum is σ = 3395420. Its totient is φ = 2477376.

The previous prime is 2904719. The next prime is 2904749. The reversal of 2904739 is 9374092.

It is not a de Polignac number, because 2904739 - 2⁹ = 2904227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2904709) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 126282 + ... + 126304.

2^2904739 is an apocalyptic number.

2904739 is a deficient number, since it is larger than the sum of its proper divisors (490681).

2904739 is a wasteful number, since it uses less digits than its factorization.

2904739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2904739 is about 1704.3294869244. The cubic root of 2904739 is about 142.6819508135.

The spelling of 2904739 in words is "two million, nine hundred four thousand, seven hundred thirty-nine".