5665860 has 36 divisors (see below), whose sum is σ = 17186988. Its totient is φ = 1510848.

The previous prime is 5665853. The next prime is 5665883. The reversal of 5665860 is 685665.

It can be written as a sum of positive squares in 2 ways, for example, as 2903616 + 2762244 = 1704^2 + 1662^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15559 + ... + 15918.

Almost surely, 2^5665860 is an apocalyptic number.

It is an amenable number.

5665860 is an abundant number, since it is smaller than the sum of its proper divisors (11521128).

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

5665860 is a wasteful number, since it uses less digits than its factorization.

5665860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31492 (or 31487 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5665860 is about 2380.3067029272. The cubic root of 5665860 is about 178.2742479506.

The spelling of 5665860 in words is "five million, six hundred sixty-five thousand, eight hundred sixty".