812244708 has 36 divisors (see below), whose sum is σ = 2239827408. Its totient is φ = 246134640.

The previous prime is 812244689. The next prime is 812244721. The reversal of 812244708 is 807442218.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1025166 + ... + 1025957.

It is an arithmetic number, because the mean of its divisors is an integer number (62217428).

Almost surely, 2^812244708 is an apocalyptic number.

It is an amenable number.

812244708 is an abundant number, since it is smaller than the sum of its proper divisors (1427582700).

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

812244708 is a wasteful number, since it uses less digits than its factorization.

812244708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051144 (or 2051139 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 812244708 is about 28499.9071577435. The cubic root of 812244708 is about 933.0300476601.

The spelling of 812244708 in words is "eight hundred twelve million, two hundred forty-four thousand, seven hundred eight".