5664402 has 24 divisors (see below), whose sum is σ = 12367836. Its totient is φ = 1873536.

The previous prime is 5664401. The next prime is 5664419. The reversal of 5664402 is 2044665.

It is a happy number.

5664402 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 5659641 + 4761 = 2379^2 + 69^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1318 + ... + 3614.

Almost surely, 2^5664402 is an apocalyptic number.

5664402 is an abundant number, since it is smaller than the sum of its proper divisors (6703434).

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

5664402 is a wasteful number, since it uses less digits than its factorization.

5664402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 5664402 is about 2380.0004201680. Note that the first 3 decimals coincide. The cubic root of 5664402 is about 178.2589548234.

The spelling of 5664402 in words is "five million, six hundred sixty-four thousand, four hundred two".