5664906 has 48 divisors (see below), whose sum is σ = 13549536. Its totient is φ = 1699488.

The previous prime is 5664851. The next prime is 5664931. The reversal of 5664906 is 6094665.

It is a happy number.

5664906 is a `hidden beast` number, since 5 + 6 + 649 + 0 + 6 = 666.

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, 9781 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (282282).

Almost surely, 2^5664906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5664906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6774768).

5664906 is an abundant number, since it is smaller than the sum of its proper divisors (7884630).

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

5664906 is a wasteful number, since it uses less digits than its factorization.

5664906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 5664906 is about 2380.1063001471. The cubic root of 5664906 is about 178.2642416333.

The spelling of 5664906 in words is "five million, six hundred sixty-four thousand, nine hundred six".