989652 has 12 divisors (see below), whose sum is σ = 2309216. Its totient is φ = 329880.

The previous prime is 989647. The next prime is 989663. The reversal of 989652 is 256989.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×989652² = 1958822162208, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 989652.

It is a congruent number.

It is an unprimeable number.

989652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41224 + ... + 41247.

2⁹⁸⁹⁶⁵² is an apocalyptic number.

It is an amenable number.

989652 is an abundant number, since it is smaller than the sum of its proper divisors (1319564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989652 is a wasteful number, since it uses less digits than its factorization.

989652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82478 (or 82476 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 989652 is about 994.8125451561. The cubic root of 989652 is about 99.6538699891.

The spelling of 989652 in words is "nine hundred eighty-nine thousand, six hundred fifty-two".