891153 has 6 divisors (see below), whose sum is σ = 1287234. Its totient is φ = 594096.

The previous prime is 891151. The next prime is 891161. The reversal of 891153 is 351198.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 439569 = 672^2 + 663^2 .

It is not a de Polignac number, because 891153 - 2¹ = 891151 is a prime.

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 891153.

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 in 5 ways as a sum of consecutive naturals, for example, 49500 + ... + 49517.

It is an arithmetic number, because the mean of its divisors is an integer number (214539).

2⁸⁹¹¹⁵³ is an apocalyptic number.

It is an amenable number.

891153 is a deficient number, since it is larger than the sum of its proper divisors (396081).

891153 is a wasteful number, since it uses less digits than its factorization.

891153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99023 (or 99020 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 891153 is about 944.0090041943. The cubic root of 891153 is about 96.2315374719.

The spelling of 891153 in words is "eight hundred ninety-one thousand, one hundred fifty-three".