2695664 has 20 divisors (see below), whose sum is σ = 5248920. Its totient is φ = 1341120.

The previous prime is 2695661. The next prime is 2695697. The reversal of 2695664 is 4665962.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2695661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042 + ... + 5550.

It is an arithmetic number, because the mean of its divisors is an integer number (262446).

2^2695664 is an apocalyptic number.

It is an amenable number.

2695664 is a deficient number, since it is larger than the sum of its proper divisors (2553256).

2695664 is a wasteful number, since it uses less digits than its factorization.

2695664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 842 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 2695664 is about 1641.8477395910. The cubic root of 2695664 is about 139.1730845921.

The spelling of 2695664 in words is "two million, six hundred ninety-five thousand, six hundred sixty-four".