7930836 has 18 divisors (see below), whose sum is σ = 20047482. Its totient is φ = 2643600.

The previous prime is 7930829. The next prime is 7930841. The reversal of 7930836 is 6380397.

It can be written as a sum of positive squares in only one way, i.e., 7322436 + 608400 = 2706^2 + 780^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 220301 = 7930836 / (7 + 9 + 3 + 0 + 8 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 7930836.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 110115 + ... + 110186.

It is an arithmetic number, because the mean of its divisors is an integer number (1113749).

Almost surely, 2^7930836 is an apocalyptic number.

It is an amenable number.

7930836 is an abundant number, since it is smaller than the sum of its proper divisors (12116646).

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

7930836 is a wasteful number, since it uses less digits than its factorization.

7930836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220311 (or 220306 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7930836 is about 2816.1740003061. The cubic root of 7930836 is about 199.4219643165.

The spelling of 7930836 in words is "seven million, nine hundred thirty thousand, eight hundred thirty-six".