2662644 has 24 divisors (see below), whose sum is σ = 6346368. Its totient is φ = 868480.

The previous prime is 2662607. The next prime is 2662651. The reversal of 2662644 is 4462662.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1797 + ... + 2924.

It is an arithmetic number, because the mean of its divisors is an integer number (264432).

2^2662644 is an apocalyptic number.

It is an amenable number.

2662644 is an abundant number, since it is smaller than the sum of its proper divisors (3683724).

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

2662644 is a wasteful number, since it uses less digits than its factorization.

2662644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4773 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 2662644 is about 1631.7610119132. The cubic root of 2662644 is about 138.6024907465.

The spelling of 2662644 in words is "two million, six hundred sixty-two thousand, six hundred forty-four".