8457812 has 48 divisors (see below), whose sum is σ = 17364480. Its totient is φ = 3564000.

The previous prime is 8457811. The next prime is 8457847. The reversal of 8457812 is 2187548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55937 + ... + 56087.

It is an arithmetic number, because the mean of its divisors is an integer number (361760).

Almost surely, 2^8457812 is an apocalyptic number.

It is an amenable number.

8457812 is an abundant number, since it is smaller than the sum of its proper divisors (8906668).

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

8457812 is a wasteful number, since it uses less digits than its factorization.

8457812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 250 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 8457812 is about 2908.2317651797. The cubic root of 8457812 is about 203.7445540341.

The spelling of 8457812 in words is "eight million, four hundred fifty-seven thousand, eight hundred twelve".