981732 has 24 divisors (see below), whose sum is σ = 2390976. Its totient is φ = 312928.

The previous prime is 981731. The next prime is 981769. The reversal of 981732 is 237189.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 981732.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981732.

It is not an unprimeable number, because it can be changed into a prime (981731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503 + ... + 2054.

It is an arithmetic number, because the mean of its divisors is an integer number (99624).

2⁹⁸¹⁷³² is an apocalyptic number.

981732 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

981732 is an abundant number, since it is smaller than the sum of its proper divisors (1409244).

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

981732 is a wasteful number, since it uses less digits than its factorization.

981732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587 (or 3585 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 981732 is about 990.8238995906. The cubic root of 981732 is about 99.3873205720.

It can be divided in two parts, 98 and 1732, that added together give a triangular number (1830 = T₆₀).

The spelling of 981732 in words is "nine hundred eighty-one thousand, seven hundred thirty-two".