891032268 has 54 divisors (see below), whose sum is σ = 2420482428. Its totient is φ = 254373840.

The previous prime is 891032257. The next prime is 891032291. The reversal of 891032268 is 862230198.

It is a happy number.

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 17 ways as a sum of consecutive naturals, for example, 723213 + ... + 724443.

Almost surely, 2^891032268 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 891032268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210241214).

891032268 is an abundant number, since it is smaller than the sum of its proper divisors (1529450160).

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

891032268 is a wasteful number, since it uses less digits than its factorization.

891032268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 891032268 is about 29850.1636176420. The cubic root of 891032268 is about 962.2719151007.

The spelling of 891032268 in words is "eight hundred ninety-one million, thirty-two thousand, two hundred sixty-eight".