2867664 has 20 divisors (see below), whose sum is σ = 7408256. Its totient is φ = 955872.

The previous prime is 2867633. The next prime is 2867677. The reversal of 2867664 is 4667682.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 29824 + ... + 29919.

2^2867664 is an apocalyptic number.

2867664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2867664 is an abundant number, since it is smaller than the sum of its proper divisors (4540592).

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

2867664 is a wasteful number, since it uses less digits than its factorization.

2867664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59754 (or 59748 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 2867664 is about 1693.4178456601. The cubic root of 2867664 is about 142.0723033226.

The spelling of 2867664 in words is "two million, eight hundred sixty-seven thousand, six hundred sixty-four".