7812936 has 48 divisors (see below), whose sum is σ = 21949200. Its totient is φ = 2603664.

The previous prime is 7812929. The next prime is 7812943. The reversal of 7812936 is 6392187.

It is an interprime number because it is at equal distance from previous prime (7812929) and next prime (7812943).

It is a super-2 number, since 2×7812936² = 122083937880192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 7812936.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 66 + ... + 3953.

It is an arithmetic number, because the mean of its divisors is an integer number (457275).

Almost surely, 2^7812936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7812936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10974600).

7812936 is an abundant number, since it is smaller than the sum of its proper divisors (14136264).

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

7812936 is a wasteful number, since it uses less digits than its factorization.

7812936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4024 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7812936 is about 2795.1629648376. The cubic root of 7812936 is about 198.4288226639.

The spelling of 7812936 in words is "seven million, eight hundred twelve thousand, nine hundred thirty-six".