989653 has 12 divisors (see below), whose sum is σ = 1212960. Its totient is φ = 802872.

The previous prime is 989647. The next prime is 989663. The reversal of 989653 is 356989.

It is a de Polignac number, because none of the positive numbers 2^k-989653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400 + ... + 1462.

It is an arithmetic number, because the mean of its divisors is an integer number (101080).

2⁹⁸⁹⁶⁵³ is an apocalyptic number.

It is an amenable number.

989653 is a deficient number, since it is larger than the sum of its proper divisors (223307).

989653 is a wasteful number, since it uses less digits than its factorization.

989653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1089 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 989653 is about 994.8130477632. The cubic root of 989653 is about 99.6539035544.

The spelling of 989653 in words is "nine hundred eighty-nine thousand, six hundred fifty-three".