891552 has 48 divisors (see below), whose sum is σ = 2413152. Its totient is φ = 288000.

The previous prime is 891551. The next prime is 891557. The reversal of 891552 is 255198.

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (891551) 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, 3427 + ... + 3677.

It is an arithmetic number, because the mean of its divisors is an integer number (50274).

2⁸⁹¹⁵⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 891552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206576).

891552 is an abundant number, since it is smaller than the sum of its proper divisors (1521600).

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

891552 is a wasteful number, since it uses less digits than its factorization.

891552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 293 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 891552 is about 944.2203132744. The cubic root of 891552 is about 96.2458973908.

The spelling of 891552 in words is "eight hundred ninety-one thousand, five hundred fifty-two".