989534 has 16 divisors (see below), whose sum is σ = 1827168. Its totient is φ = 391392.

The previous prime is 989533. The next prime is 989557. The reversal of 989534 is 435989.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 989534.

It is not an unprimeable number, because it can be changed into a prime (989533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2537 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (114198).

2⁹⁸⁹⁵³⁴ is an apocalyptic number.

989534 is a deficient number, since it is larger than the sum of its proper divisors (837634).

989534 is a wasteful number, since it uses less digits than its factorization.

989534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459.

The product of its digits is 38880, while the sum is 38.

The square root of 989534 is about 994.7532357324. The cubic root of 989534 is about 99.6499091274.

The spelling of 989534 in words is "nine hundred eighty-nine thousand, five hundred thirty-four".