2669646 has 32 divisors (see below), whose sum is σ = 6462720. Its totient is φ = 717696.

The previous prime is 2669603. The next prime is 2669659. The reversal of 2669646 is 6469662.

2669646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (201960).

2^2669646 is an apocalyptic number.

2669646 is an abundant number, since it is smaller than the sum of its proper divisors (3793074).

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

2669646 is a wasteful number, since it uses less digits than its factorization.

2669646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768.

The product of its digits is 93312, while the sum is 39.

The square root of 2669646 is about 1633.9051380053. The cubic root of 2669646 is about 138.7238795079.

The spelling of 2669646 in words is "two million, six hundred sixty-nine thousand, six hundred forty-six".