891456 has 28 divisors (see below), whose sum is σ = 2359152. Its totient is φ = 297088.

The previous prime is 891439. The next prime is 891481. The reversal of 891456 is 654198.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130 + ... + 2513.

2⁸⁹¹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

891456 is an abundant number, since it is smaller than the sum of its proper divisors (1467696).

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

891456 is a wasteful number, since it uses less digits than its factorization.

891456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658 (or 4648 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 891456 is about 944.1694763124. The cubic root of 891456 is about 96.2424427642.

The spelling of 891456 in words is "eight hundred ninety-one thousand, four hundred fifty-six".