2797664 has 12 divisors (see below), whose sum is σ = 5507964. Its totient is φ = 1398816.

The previous prime is 2797637. The next prime is 2797667. The reversal of 2797664 is 4667972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43682 + ... + 43745.

It is an arithmetic number, because the mean of its divisors is an integer number (458997).

2^2797664 is an apocalyptic number.

It is an amenable number.

2797664 is a deficient number, since it is larger than the sum of its proper divisors (2710300).

2797664 is an equidigital number, since it uses as much as digits as its factorization.

2797664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87437 (or 87429 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 2797664 is about 1672.6218939139. The cubic root of 2797664 is about 140.9067673315.

The spelling of 2797664 in words is "two million, seven hundred ninety-seven thousand, six hundred sixty-four".