891363 has 8 divisors (see below), whose sum is σ = 1296576. Its totient is φ = 540200.

The previous prime is 891349. The next prime is 891377. The reversal of 891363 is 363198.

It is an interprime number because it is at equal distance from previous prime (891349) and next prime (891377).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 891363 - 2¹² = 887267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 891363.

It is not an unprimeable number, because it can be changed into a prime (891323) 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, 13473 + ... + 13538.

It is an arithmetic number, because the mean of its divisors is an integer number (162072).

2⁸⁹¹³⁶³ is an apocalyptic number.

891363 is a deficient number, since it is larger than the sum of its proper divisors (405213).

891363 is a wasteful number, since it uses less digits than its factorization.

891363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27025.

The product of its digits is 3888, while the sum is 30.

The square root of 891363 is about 944.1202253950. The cubic root of 891363 is about 96.2390958581.

The spelling of 891363 in words is "eight hundred ninety-one thousand, three hundred sixty-three".