812914984 has 64 divisors (see below), whose sum is σ = 1808040960. Its totient is φ = 335301120.

The previous prime is 812914969. The next prime is 812915003. The reversal of 812914984 is 489419218.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340804 + ... + 343180.

It is an arithmetic number, because the mean of its divisors is an integer number (28250640).

Almost surely, 2^812914984 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 812914984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904020480).

812914984 is an abundant number, since it is smaller than the sum of its proper divisors (995125976).

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

812914984 is a wasteful number, since it uses less digits than its factorization.

812914984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618 (or 2614 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 812914984 is about 28511.6639991425. The cubic root of 812914984 is about 933.2866270278.

The spelling of 812914984 in words is "eight hundred twelve million, nine hundred fourteen thousand, nine hundred eighty-four".