891353 has 4 divisors (see below), whose sum is σ = 897408. Its totient is φ = 885300.

The previous prime is 891349. The next prime is 891377. The reversal of 891353 is 353198.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 353198 = 2 ⋅176599.

It is a cyclic number.

It is not a de Polignac number, because 891353 - 2² = 891349 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2801 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (224352).

2⁸⁹¹³⁵³ is an apocalyptic number.

It is an amenable number.

891353 is a deficient number, since it is larger than the sum of its proper divisors (6055).

891353 is a wasteful number, since it uses less digits than its factorization.

891353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054.

The product of its digits is 3240, while the sum is 29.

The square root of 891353 is about 944.1149294445. The cubic root of 891353 is about 96.2387359619.

The spelling of 891353 in words is "eight hundred ninety-one thousand, three hundred fifty-three".