5279664 has 40 divisors (see below), whose sum is σ = 14690032. Its totient is φ = 1624320.

The previous prime is 5279629. The next prime is 5279671. The reversal of 5279664 is 4669725.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607 + ... + 4854.

Almost surely, 2^5279664 is an apocalyptic number.

It is an amenable number.

5279664 is an abundant number, since it is smaller than the sum of its proper divisors (9410368).

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

5279664 is a wasteful number, since it uses less digits than its factorization.

5279664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8485 (or 8479 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 5279664 is about 2297.7519448365. The cubic root of 5279664 is about 174.1280600412.

Subtracting from 5279664 its sum of digits (39), we obtain a triangular number (5279625 = T₃₂₄₉).

The spelling of 5279664 in words is "five million, two hundred seventy-nine thousand, six hundred sixty-four".