2650864 has 20 divisors (see below), whose sum is σ = 5256856. Its totient is φ = 1294272.

The previous prime is 2650853. The next prime is 2650873. The reversal of 2650864 is 4680562.

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, 1239 + ... + 2614.

2^2650864 is an apocalyptic number.

It is an amenable number.

2650864 is a deficient number, since it is larger than the sum of its proper divisors (2605992).

2650864 is a wasteful number, since it uses less digits than its factorization.

2650864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3898 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2650864 is about 1628.1474134734. The cubic root of 2650864 is about 138.3977880631.

The spelling of 2650864 in words is "two million, six hundred fifty thousand, eight hundred sixty-four".