7638916 has 12 divisors (see below), whose sum is σ = 14154588. Its totient is φ = 3594752.

The previous prime is 7638901. The next prime is 7638929. The reversal of 7638916 is 6198367.

It can be written as a sum of positive squares in 2 ways, for example, as 6270016 + 1368900 = 2504^2 + 1170^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 56101 + ... + 56236.

It is an arithmetic number, because the mean of its divisors is an integer number (1179549).

Almost surely, 2^7638916 is an apocalyptic number.

It is an amenable number.

7638916 is a deficient number, since it is larger than the sum of its proper divisors (6515672).

7638916 is a wasteful number, since it uses less digits than its factorization.

7638916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112358 (or 112356 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 7638916 is about 2763.8588965430. The cubic root of 7638916 is about 196.9445247354.

The spelling of 7638916 in words is "seven million, six hundred thirty-eight thousand, nine hundred sixteen".