851930944 has 28 divisors (see below), whose sum is σ = 1711960000. Its totient is φ = 420571008.

The previous prime is 851930939. The next prime is 851930953. The reversal of 851930944 is 449039158.

It is a happy number.

851930944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×851930944² = 1451572666689462272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 851930944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79194 + ... + 89305.

Almost surely, 2^851930944 is an apocalyptic number.

It is an amenable number.

851930944 is an abundant number, since it is smaller than the sum of its proper divisors (860029056).

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

851930944 is a wasteful number, since it uses less digits than its factorization.

851930944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168590 (or 168580 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 851930944 is about 29187.8561048940. The cubic root of 851930944 is about 947.9849974185.

The spelling of 851930944 in words is "eight hundred fifty-one million, nine hundred thirty thousand, nine hundred forty-four".