989527533 has 16 divisors (see below), whose sum is σ = 1363008000. Its totient is φ = 637899840.

The previous prime is 989527501. The next prime is 989527559. The reversal of 989527533 is 335725989.

It is not a de Polignac number, because 989527533 - 2⁵ = 989527501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989527633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140623 + ... + 147491.

It is an arithmetic number, because the mean of its divisors is an integer number (85188000).

Almost surely, 2^989527533 is an apocalyptic number.

989527533 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

989527533 is a deficient number, since it is larger than the sum of its proper divisors (373480467).

989527533 is a wasteful number, since it uses less digits than its factorization.

989527533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452.

The product of its digits is 2041200, while the sum is 51.

The square root of 989527533 is about 31456.7565556273. The cubic root of 989527533 is about 996.4969204296.

The spelling of 989527533 in words is "nine hundred eighty-nine million, five hundred twenty-seven thousand, five hundred thirty-three".