891338252 has 48 divisors (see below), whose sum is σ = 1840177920. Its totient is φ = 369876672.

The previous prime is 891338243. The next prime is 891338263. The reversal of 891338252 is 252833198.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106658 + ... + 114710.

It is an arithmetic number, because the mean of its divisors is an integer number (38337040).

Almost surely, 2^891338252 is an apocalyptic number.

It is an amenable number.

891338252 is an abundant number, since it is smaller than the sum of its proper divisors (948839668).

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

891338252 is a wasteful number, since it uses less digits than its factorization.

891338252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190 (or 8188 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 891338252 is about 29855.2885097431. The cubic root of 891338252 is about 962.3820518199.

The spelling of 891338252 in words is "eight hundred ninety-one million, three hundred thirty-eight thousand, two hundred fifty-two".