989732 has 6 divisors (see below), whose sum is σ = 1732038. Its totient is φ = 494864.

The previous prime is 989719. The next prime is 989743. The reversal of 989732 is 237989.

It can be written as a sum of positive squares in only one way, i.e., 891136 + 98596 = 944^2 + 314^2 .

It is a d-powerful number, because it can be written as 9² + 8⁵ + 7⁷ + 9² + 3⁷ + 2¹⁷ .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989732.

It is an unprimeable number.

989732 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123713 + ... + 123720.

It is an arithmetic number, because the mean of its divisors is an integer number (288673).

2⁹⁸⁹⁷³² is an apocalyptic number.

It is an amenable number.

989732 is a deficient number, since it is larger than the sum of its proper divisors (742306).

989732 is a wasteful number, since it uses less digits than its factorization.

989732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247437 (or 247435 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 989732 is about 994.8527529238. The cubic root of 989732 is about 99.6565551400.

The spelling of 989732 in words is "nine hundred eighty-nine thousand, seven hundred thirty-two".