851963244 has 48 divisors (see below), whose sum is σ = 2185752576. Its totient is φ = 256132800.

The previous prime is 851963243. The next prime is 851963251. The reversal of 851963244 is 442369158.

It is a junction number, because it is equal to n+sod(n) for n = 851963196 and 851963205.

It is not an unprimeable number, because it can be changed into a prime (851963243) 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, 8647 + ... + 42174.

It is an arithmetic number, because the mean of its divisors is an integer number (45536512).

Almost surely, 2^851963244 is an apocalyptic number.

It is an amenable number.

851963244 is an abundant number, since it is smaller than the sum of its proper divisors (1333789332).

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

851963244 is a wasteful number, since it uses less digits than its factorization.

851963244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50966 (or 50964 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 851963244 is about 29188.4094119567. The cubic root of 851963244 is about 947.9969778607.

The spelling of 851963244 in words is "eight hundred fifty-one million, nine hundred sixty-three thousand, two hundred forty-four".