2904939 has 6 divisors (see below), whose sum is σ = 4196036. Its totient is φ = 1936620.

The previous prime is 2904893. The next prime is 2904947. The reversal of 2904939 is 9394092.

It is not a de Polignac number, because 2904939 - 2⁹ = 2904427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2904949) 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, 161377 + ... + 161394.

2^2904939 is an apocalyptic number.

2904939 is a deficient number, since it is larger than the sum of its proper divisors (1291097).

2904939 is a wasteful number, since it uses less digits than its factorization.

2904939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322777 (or 322774 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 2904939 is about 1704.3881600152. The cubic root of 2904939 is about 142.6852254319.

The spelling of 2904939 in words is "two million, nine hundred four thousand, nine hundred thirty-nine".