8407812 has 72 divisors (see below), whose sum is σ = 23237760. Its totient is φ = 2358720.

The previous prime is 8407771. The next prime is 8407837. The reversal of 8407812 is 2187048.

It is a self number, because there is not a number n which added to its sum of digits gives 8407812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46362 + ... + 46542.

Almost surely, 2^8407812 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 8407812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11618880).

8407812 is an abundant number, since it is smaller than the sum of its proper divisors (14829948).

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

8407812 is a wasteful number, since it uses less digits than its factorization.

8407812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 8407812 is about 2899.6227340811. The cubic root of 8407812 is about 203.3422684120.

The spelling of 8407812 in words is "eight million, four hundred seven thousand, eight hundred twelve".