891152 has 10 divisors (see below), whose sum is σ = 1726638. Its totient is φ = 445568.

The previous prime is 891151. The next prime is 891161. The reversal of 891152 is 251198.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 891136 + 16 = 944^2 + 4^2 .

It is an Ulam number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 891152.

It is not an unprimeable number, because it can be changed into a prime (891151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27833 + ... + 27864.

2⁸⁹¹¹⁵² is an apocalyptic number.

It is an amenable number.

891152 is a deficient number, since it is larger than the sum of its proper divisors (835486).

891152 is a wasteful number, since it uses less digits than its factorization.

891152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55705 (or 55699 counting only the distinct ones).

The product of its digits is 720, while the sum is 26.

The square root of 891152 is about 944.0084745382. The cubic root of 891152 is about 96.2315014767.

The spelling of 891152 in words is "eight hundred ninety-one thousand, one hundred fifty-two".