2639164 has 12 divisors (see below), whose sum is σ = 5038488. Its totient is φ = 1199600.

The previous prime is 2639149. The next prime is 2639171. The reversal of 2639164 is 4619362.

It is a super-3 number, since 3×2639164³ = 55146809333616128832, which contains 333 as substring.

It is a congruent number.

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, 29947 + ... + 30034.

It is an arithmetic number, because the mean of its divisors is an integer number (419874).

2^2639164 is an apocalyptic number.

It is an amenable number.

2639164 is a deficient number, since it is larger than the sum of its proper divisors (2399324).

2639164 is a wasteful number, since it uses less digits than its factorization.

2639164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59996 (or 59994 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 2639164 is about 1624.5503993413. The cubic root of 2639164 is about 138.1938743888.

The spelling of 2639164 in words is "two million, six hundred thirty-nine thousand, one hundred sixty-four".