2404664 has 8 divisors (see below), whose sum is σ = 4508760. Its totient is φ = 1202328.

The previous prime is 2404643. The next prime is 2404669. The reversal of 2404664 is 4664042.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150284 + ... + 150299.

It is an arithmetic number, because the mean of its divisors is an integer number (563595).

2^2404664 is an apocalyptic number.

It is an amenable number.

2404664 is a deficient number, since it is larger than the sum of its proper divisors (2104096).

2404664 is a wasteful number, since it uses less digits than its factorization.

2404664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300589 (or 300585 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2404664 is about 1550.6979073952. The cubic root of 2404664 is about 133.9732626538.

The spelling of 2404664 in words is "two million, four hundred four thousand, six hundred sixty-four".