891962112 has 72 divisors (see below), whose sum is σ = 2381472576. Its totient is φ = 296375296.

The previous prime is 891962111. The next prime is 891962117. The reversal of 891962112 is 211269198.

It is not an unprimeable number, because it can be changed into a prime (891962111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264823 + ... + 268169.

It is an arithmetic number, because the mean of its divisors is an integer number (33076008).

Almost surely, 2^891962112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 891962112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190736288).

891962112 is an abundant number, since it is smaller than the sum of its proper divisors (1489510464).

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

891962112 is a wasteful number, since it uses less digits than its factorization.

891962112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3699 counting only the distinct ones).

The product of its digits is 15552, while the sum is 39.

The square root of 891962112 is about 29865.7347473656. The cubic root of 891962112 is about 962.6065276370.

The spelling of 891962112 in words is "eight hundred ninety-one million, nine hundred sixty-two thousand, one hundred twelve".