921959852 has 12 divisors (see below), whose sum is σ = 1760105256. Its totient is φ = 419072640.

The previous prime is 921959741. The next prime is 921959873. The reversal of 921959852 is 258959129.

It is a self number, because there is not a number n which added to its sum of digits gives 921959852.

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, 10476773 + ... + 10476860.

It is an arithmetic number, because the mean of its divisors is an integer number (146675438).

Almost surely, 2^921959852 is an apocalyptic number.

It is an amenable number.

921959852 is a deficient number, since it is larger than the sum of its proper divisors (838145404).

921959852 is a wasteful number, since it uses less digits than its factorization.

921959852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20953648 (or 20953646 counting only the distinct ones).

The product of its digits is 583200, while the sum is 50.

The square root of 921959852 is about 30363.7917921988. The cubic root of 921959852 is about 973.2789632585.

The spelling of 921959852 in words is "nine hundred twenty-one million, nine hundred fifty-nine thousand, eight hundred fifty-two".