891960 has 32 divisors (see below), whose sum is σ = 2676240. Its totient is φ = 237824.

The previous prime is 891929. The next prime is 891967. The reversal of 891960 is 69198.

It is a happy number.

891960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891967) by changing a digit.

891960 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3597 + ... + 3836.

2⁸⁹¹⁹⁶⁰ is an apocalyptic number.

It is an amenable number.

891960 is an abundant number, since it is smaller than the sum of its proper divisors (1784280).

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

891960 is a wasteful number, since it uses less digits than its factorization.

891960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7447 (or 7443 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 891960 is about 944.4363398345. The cubic root of 891960 is about 96.2605767879.

The spelling of 891960 in words is "eight hundred ninety-one thousand, nine hundred sixty".