981436032 has 96 divisors (see below), whose sum is σ = 2972892000. Its totient is φ = 309920256.

The previous prime is 981435997. The next prime is 981436069. The reversal of 981436032 is 230634189.

981436032 is a `hidden beast` number, since 9 + 8 + 1 + 43 + 603 + 2 = 666.

981436032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532 + ... + 44307.

It is an arithmetic number, because the mean of its divisors is an integer number (30967625).

Almost surely, 2^981436032 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 981436032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486446000).

981436032 is an abundant number, since it is smaller than the sum of its proper divisors (1991455968).

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

981436032 is a wasteful number, since it uses less digits than its factorization.

981436032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44878 (or 44863 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 981436032 is about 31327.8794686139. The cubic root of 981436032 is about 993.7733195904.

The spelling of 981436032 in words is "nine hundred eighty-one million, four hundred thirty-six thousand, thirty-two".