5279640 has 32 divisors (see below), whose sum is σ = 15839280. Its totient is φ = 1407872.

The previous prime is 5279629. The next prime is 5279671. The reversal of 5279640 is 469725.

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, 21879 + ... + 22118.

Almost surely, 2^5279640 is an apocalyptic number.

It is an amenable number.

5279640 is an abundant number, since it is smaller than the sum of its proper divisors (10559640).

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

5279640 is a wasteful number, since it uses less digits than its factorization.

5279640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44011 (or 44007 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 5279640 is about 2297.7467223347. The cubic root of 5279640 is about 174.1277961937.

The spelling of 5279640 in words is "five million, two hundred seventy-nine thousand, six hundred forty".