7904836 has 24 divisors (see below), whose sum is σ = 14878080. Its totient is φ = 3663072.

The previous prime is 7904773. The next prime is 7904843. The reversal of 7904836 is 6384097.

7904836 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 = 7904795 and 7904804.

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 7 ways as a sum of consecutive naturals, for example, 2466 + ... + 4678.

It is an arithmetic number, because the mean of its divisors is an integer number (619920).

Almost surely, 2^7904836 is an apocalyptic number.

7904836 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7904836 is a deficient number, since it is larger than the sum of its proper divisors (6973244).

7904836 is a wasteful number, since it uses less digits than its factorization.

7904836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 7904836 is about 2811.5540186879. The cubic root of 7904836 is about 199.2038012102.

Adding to 7904836 its product of nonzero digits (36288), we get a square (7941124 = 2818²).

The spelling of 7904836 in words is "seven million, nine hundred four thousand, eight hundred thirty-six".