5665870 has 48 divisors (see below), whose sum is σ = 12279168. Its totient is φ = 1874880.

The previous prime is 5665853. The next prime is 5665883. The reversal of 5665870 is 785665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15004 + ... + 15376.

It is an arithmetic number, because the mean of its divisors is an integer number (255816).

Almost surely, 2^5665870 is an apocalyptic number.

5665870 is an abundant number, since it is smaller than the sum of its proper divisors (6613298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5665870 is a wasteful number, since it uses less digits than its factorization.

5665870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5665870 is about 2380.3088034959. The cubic root of 5665870 is about 178.2743528326.

The spelling of 5665870 in words is "five million, six hundred sixty-five thousand, eight hundred seventy".