7812396 has 24 divisors (see below), whose sum is σ = 20254640. Its totient is φ = 2604096.

The previous prime is 7812379. The next prime is 7812407. The reversal of 7812396 is 6932187.

It is a super-2 number, since 2×7812396² = 122067062521632, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7812396.

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 7 ways as a sum of consecutive naturals, for example, 36061 + ... + 36276.

Almost surely, 2^7812396 is an apocalyptic number.

It is an amenable number.

7812396 is an abundant number, since it is smaller than the sum of its proper divisors (12442244).

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

7812396 is a wasteful number, since it uses less digits than its factorization.

7812396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72350 (or 72342 counting only the distinct ones).

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

The square root of 7812396 is about 2795.0663677272. The cubic root of 7812396 is about 198.4242510137.

The spelling of 7812396 in words is "seven million, eight hundred twelve thousand, three hundred ninety-six".