2607664 has 20 divisors (see below), whose sum is σ = 5350104. Its totient is φ = 1227008.

The previous prime is 2607659. The next prime is 2607673. The reversal of 2607664 is 4667062.

2607664 = T₁₃₁₇ + T₁₃₁₈ + T₁₃₁₉.

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, 4522 + ... + 5065.

2^2607664 is an apocalyptic number.

2607664 is the 1319-th centered triangular number.

It is an amenable number.

2607664 is an abundant number, since it is smaller than the sum of its proper divisors (2742440).

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

2607664 is a wasteful number, since it uses less digits than its factorization.

2607664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9612 (or 9606 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2607664 is about 1614.8263064491. The cubic root of 2607664 is about 137.6418635015.

The spelling of 2607664 in words is "two million, six hundred seven thousand, six hundred sixty-four".