2638086 has 16 divisors (see below), whose sum is σ = 5755968. Its totient is φ = 799400.

The previous prime is 2638073. The next prime is 2638087. The reversal of 2638086 is 6808362.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638087) 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, 19920 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (359748).

2^2638086 is an apocalyptic number.

2638086 is an abundant number, since it is smaller than the sum of its proper divisors (3117882).

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

2638086 is a wasteful number, since it uses less digits than its factorization.

2638086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39987.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2638086 is about 1624.2185813492. The cubic root of 2638086 is about 138.1750561463.

Subtracting from 2638086 its product of nonzero digits (13824), we obtain a palindrome (2624262).

The spelling of 2638086 in words is "two million, six hundred thirty-eight thousand, eighty-six".