2638316 has 12 divisors (see below), whose sum is σ = 4669560. Its totient is φ = 1304160.

The previous prime is 2638301. The next prime is 2638319. The reversal of 2638316 is 6138362.

It is a super-2 number, since 2×2638316² = 13921422631712, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2638319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350 + ... + 4061.

It is an arithmetic number, because the mean of its divisors is an integer number (389130).

2^2638316 is an apocalyptic number.

It is an amenable number.

2638316 is a deficient number, since it is larger than the sum of its proper divisors (2031244).

2638316 is a wasteful number, since it uses less digits than its factorization.

2638316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504 (or 7502 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 2638316 is about 1624.2893830842. The cubic root of 2638316 is about 138.1790716003.

The spelling of 2638316 in words is "two million, six hundred thirty-eight thousand, three hundred sixteen".