7638936 has 16 divisors (see below), whose sum is σ = 19097400. Its totient is φ = 2546304.

The previous prime is 7638929. The next prime is 7638937. The reversal of 7638936 is 6398367.

7638936 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7638937) 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, 159121 + ... + 159168.

Almost surely, 2^7638936 is an apocalyptic number.

It is an amenable number.

7638936 is an abundant number, since it is smaller than the sum of its proper divisors (11458464).

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

7638936 is a wasteful number, since it uses less digits than its factorization.

7638936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318298 (or 318294 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 7638936 is about 2763.8625146704. The cubic root of 7638936 is about 196.9446966135.

The spelling of 7638936 in words is "seven million, six hundred thirty-eight thousand, nine hundred thirty-six".