2404939 has 8 divisors (see below), whose sum is σ = 2561328. Its totient is φ = 2250240.

The previous prime is 2404933. The next prime is 2404957. The reversal of 2404939 is 9394042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2404939 - 2³ = 2404931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2404939.

It is not an unprimeable number, because it can be changed into a prime (2404931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3804 + ... + 4390.

It is an arithmetic number, because the mean of its divisors is an integer number (320166).

2^2404939 is an apocalyptic number.

2404939 is a deficient number, since it is larger than the sum of its proper divisors (156389).

2404939 is a wasteful number, since it uses less digits than its factorization.

2404939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 2404939 is about 1550.7865746130. The cubic root of 2404939 is about 133.9783695687.

The spelling of 2404939 in words is "two million, four hundred four thousand, nine hundred thirty-nine".