7638882 has 16 divisors (see below), whose sum is σ = 16176672. Its totient is φ = 2396480.

The previous prime is 7638881. The next prime is 7638889. The reversal of 7638882 is 2888367.

7638882 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7638881) 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, 37344 + ... + 37547.

It is an arithmetic number, because the mean of its divisors is an integer number (1011042).

Almost surely, 2^7638882 is an apocalyptic number.

7638882 is an abundant number, since it is smaller than the sum of its proper divisors (8537790).

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

7638882 is a wasteful number, since it uses less digits than its factorization.

7638882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74913.

The product of its digits is 129024, while the sum is 42.

The square root of 7638882 is about 2763.8527457157. The cubic root of 7638882 is about 196.9442325419.

The spelling of 7638882 in words is "seven million, six hundred thirty-eight thousand, eight hundred eighty-two".