5657644 has 12 divisors (see below), whose sum is σ = 10088064. Its totient is φ = 2775344.

The previous prime is 5657629. The next prime is 5657657. The reversal of 5657644 is 4467565.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13132 + ... + 13555.

It is an arithmetic number, because the mean of its divisors is an integer number (840672).

Almost surely, 2^5657644 is an apocalyptic number.

It is an amenable number.

5657644 is a deficient number, since it is larger than the sum of its proper divisors (4430420).

5657644 is a wasteful number, since it uses less digits than its factorization.

5657644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26744 (or 26742 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 5657644 is about 2378.5802488039. The cubic root of 5657644 is about 178.1880351030.

The spelling of 5657644 in words is "five million, six hundred fifty-seven thousand, six hundred forty-four".