7638934 has 8 divisors (see below), whose sum is σ = 11504808. Its totient is φ = 3804000.

The previous prime is 7638929. The next prime is 7638937. The reversal of 7638934 is 4398367.

It is a sphenic number, since it is the product of 3 distinct primes.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7107 + ... + 8110.

It is an arithmetic number, because the mean of its divisors is an integer number (1438101).

Almost surely, 2^7638934 is an apocalyptic number.

7638934 is a deficient number, since it is larger than the sum of its proper divisors (3865874).

7638934 is a wasteful number, since it uses less digits than its factorization.

7638934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15470.

The product of its digits is 108864, while the sum is 40.

The square root of 7638934 is about 2763.8621528578. The cubic root of 7638934 is about 196.9446794257.

The spelling of 7638934 in words is "seven million, six hundred thirty-eight thousand, nine hundred thirty-four".