2639272 has 16 divisors (see below), whose sum is σ = 4998240. Its totient is φ = 1306416.

The previous prime is 2639251. The next prime is 2639291. The reversal of 2639272 is 2729362.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778 + ... + 2425.

It is an arithmetic number, because the mean of its divisors is an integer number (312390).

2^2639272 is an apocalyptic number.

It is an amenable number.

2639272 is a deficient number, since it is larger than the sum of its proper divisors (2358968).

2639272 is a wasteful number, since it uses less digits than its factorization.

2639272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 3308 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 2639272 is about 1624.5836389672. The cubic root of 2639272 is about 138.1957594219.

The spelling of 2639272 in words is "two million, six hundred thirty-nine thousand, two hundred seventy-two".