989524 has 6 divisors (see below), whose sum is σ = 1731674. Its totient is φ = 494760.

The previous prime is 989507. The next prime is 989533. The reversal of 989524 is 425989.

989524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 777924 + 211600 = 882^2 + 460^2 .

It is a congruent number.

It is an unprimeable number.

989524 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, 123687 + ... + 123694.

2⁹⁸⁹⁵²⁴ is an apocalyptic number.

It is an amenable number.

989524 is a deficient number, since it is larger than the sum of its proper divisors (742150).

989524 is a wasteful number, since it uses less digits than its factorization.

989524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247385 (or 247383 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 989524 is about 994.7482093475. The cubic root of 989524 is about 99.6495734467.

The spelling of 989524 in words is "nine hundred eighty-nine thousand, five hundred twenty-four".