2904644 has 12 divisors (see below), whose sum is σ = 5350800. Its totient is φ = 1375848.

The previous prime is 2904641. The next prime is 2904653. The reversal of 2904644 is 4464092.

It is not an unprimeable number, because it can be changed into a prime (2904641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19034 + ... + 19185.

It is an arithmetic number, because the mean of its divisors is an integer number (445900).

2^2904644 is an apocalyptic number.

It is an amenable number.

2904644 is a deficient number, since it is larger than the sum of its proper divisors (2446156).

2904644 is a wasteful number, since it uses less digits than its factorization.

2904644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38242 (or 38240 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2904644 is about 1704.3016164987. The cubic root of 2904644 is about 142.6803953171.

The spelling of 2904644 in words is "two million, nine hundred four thousand, six hundred forty-four".