6372638 has 16 divisors (see below), whose sum is σ = 10216320. Its totient is φ = 2972376.

The previous prime is 6372623. The next prime is 6372647. The reversal of 6372638 is 8362736.

It is a super-2 number, since 2×6372638² = 81221030158088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6372598 and 6372607.

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, 1295 + ... + 3797.

It is an arithmetic number, because the mean of its divisors is an integer number (638520).

Almost surely, 2^6372638 is an apocalyptic number.

6372638 is a deficient number, since it is larger than the sum of its proper divisors (3843682).

6372638 is a wasteful number, since it uses less digits than its factorization.

6372638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591.

The product of its digits is 36288, while the sum is 35.

The square root of 6372638 is about 2524.4084455571. The cubic root of 6372638 is about 185.3985854747.

The spelling of 6372638 in words is "six million, three hundred seventy-two thousand, six hundred thirty-eight".