989572 has 6 divisors (see below), whose sum is σ = 1731758. Its totient is φ = 494784.

The previous prime is 989561. The next prime is 989579. The reversal of 989572 is 275989.

It can be written as a sum of positive squares in only one way, i.e., 968256 + 21316 = 984^2 + 146^2 .

It is not an unprimeable number, because it can be changed into a prime (989579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123693 + ... + 123700.

2⁹⁸⁹⁵⁷² is an apocalyptic number.

It is an amenable number.

989572 is a deficient number, since it is larger than the sum of its proper divisors (742186).

989572 is a wasteful number, since it uses less digits than its factorization.

989572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247397 (or 247395 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 989572 is about 994.7723357633. The cubic root of 989572 is about 99.6511846935.

The spelling of 989572 in words is "nine hundred eighty-nine thousand, five hundred seventy-two".