891492 has 24 divisors (see below), whose sum is σ = 2377536. Its totient is φ = 254688.

The previous prime is 891491. The next prime is 891493. The reversal of 891492 is 294198.

891492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (891491) and next prime (891493).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891491) 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, 5223 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (99064).

2⁸⁹¹⁴⁹² is an apocalyptic number.

It is an amenable number.

891492 is an abundant number, since it is smaller than the sum of its proper divisors (1486044).

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

891492 is a wasteful number, since it uses less digits than its factorization.

891492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10627 (or 10625 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 891492 is about 944.1885404939. The cubic root of 891492 is about 96.2437382782.

The spelling of 891492 in words is "eight hundred ninety-one thousand, four hundred ninety-two".