7931836 has 24 divisors (see below), whose sum is σ = 15361920. Its totient is φ = 3553200.

The previous prime is 7931831. The next prime is 7931857. The reversal of 7931836 is 6381397.

7931836 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 7931795 and 7931804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7931831) 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 7 ways as a sum of consecutive naturals, for example, 1855 + ... + 4393.

It is an arithmetic number, because the mean of its divisors is an integer number (640080).

Almost surely, 2^7931836 is an apocalyptic number.

It is an amenable number.

7931836 is a deficient number, since it is larger than the sum of its proper divisors (7430084).

7931836 is a wasteful number, since it uses less digits than its factorization.

7931836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2623 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 7931836 is about 2816.3515405574. The cubic root of 7931836 is about 199.4303456769.

The spelling of 7931836 in words is "seven million, nine hundred thirty-one thousand, eight hundred thirty-six".