7638316 has 18 divisors (see below), whose sum is σ = 15549828. Its totient is φ = 3273480.

The previous prime is 7638313. The next prime is 7638331. The reversal of 7638316 is 6138367.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7638313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19290 + ... + 19681.

Almost surely, 2^7638316 is an apocalyptic number.

It is an amenable number.

7638316 is an abundant number, since it is smaller than the sum of its proper divisors (7911512).

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

7638316 is a wasteful number, since it uses less digits than its factorization.

7638316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38989 (or 38980 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 7638316 is about 2763.7503505201. The cubic root of 7638316 is about 196.9393682529.

The spelling of 7638316 in words is "seven million, six hundred thirty-eight thousand, three hundred sixteen".