8390412 has 24 divisors (see below), whose sum is σ = 21753200. Its totient is φ = 2796768.

The previous prime is 8390399. The next prime is 8390413. The reversal of 8390412 is 2140938.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8390413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38737 + ... + 38952.

Almost surely, 2^8390412 is an apocalyptic number.

It is an amenable number.

8390412 is an abundant number, since it is smaller than the sum of its proper divisors (13362788).

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

8390412 is a wasteful number, since it uses less digits than its factorization.

8390412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77702 (or 77694 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8390412 is about 2896.6207898170. The cubic root of 8390412 is about 203.2018989944.

The spelling of 8390412 in words is "eight million, three hundred ninety thousand, four hundred twelve".