2638662 has 16 divisors (see below), whose sum is σ = 5683440. Its totient is φ = 811872.

The previous prime is 2638651. The next prime is 2638667. The reversal of 2638662 is 2668362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16837 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (355215).

2^2638662 is an apocalyptic number.

2638662 is an abundant number, since it is smaller than the sum of its proper divisors (3044778).

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

2638662 is a wasteful number, since it uses less digits than its factorization.

2638662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33847.

The product of its digits is 20736, while the sum is 33.

The square root of 2638662 is about 1624.3958877072. The cubic root of 2638662 is about 138.1851118003.

The spelling of 2638662 in words is "two million, six hundred thirty-eight thousand, six hundred sixty-two".