8981532 has 72 divisors (see below), whose sum is σ = 26863200. Its totient is φ = 2475648.

The previous prime is 8981461. The next prime is 8981563. The reversal of 8981532 is 2351898.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6694 + ... + 7922.

It is an arithmetic number, because the mean of its divisors is an integer number (373100).

Almost surely, 2^8981532 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 8981532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13431600).

8981532 is an abundant number, since it is smaller than the sum of its proper divisors (17881668).

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

8981532 is a wasteful number, since it uses less digits than its factorization.

8981532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1270 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 8981532 is about 2996.9204193639. The cubic root of 8981532 is about 207.8660071426.

The spelling of 8981532 in words is "eight million, nine hundred eighty-one thousand, five hundred thirty-two".