989527 has 16 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 756000.

The previous prime is 989507. The next prime is 989533. The reversal of 989527 is 725989.

It is not a de Polignac number, because 989527 - 2¹⁵ = 956759 is a prime.

Its product of digits (45360) is a multiple of the sum of its prime divisors (270).

It is a self number, because there is not a number n which added to its sum of digits gives 989527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5377 + ... + 5557.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

989527 is a Friedman number, since it can be written as 8^9/2^7-9^5, using all its digits and the basic arithmetic operations.

2⁹⁸⁹⁵²⁷ is an apocalyptic number.

989527 is a deficient number, since it is larger than the sum of its proper divisors (268457).

989527 is a wasteful number, since it uses less digits than its factorization.

989527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

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

The square root of 989527 is about 994.7497172656. The cubic root of 989527 is about 99.6496741512.

The spelling of 989527 in words is "nine hundred eighty-nine thousand, five hundred twenty-seven".