989699 has 8 divisors (see below), whose sum is σ = 1028160. Its totient is φ = 952000.

The previous prime is 989687. The next prime is 989719. The reversal of 989699 is 996989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989699 is a prime.

It is a super-2 number, since 2×989699² = 1959008221202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989629) 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, 4022 + ... + 4260.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2⁹⁸⁹⁶⁹⁹ is an apocalyptic number.

989699 is a deficient number, since it is larger than the sum of its proper divisors (38461).

989699 is a wasteful number, since it uses less digits than its factorization.

989699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 314928, while the sum is 50.

The square root of 989699 is about 994.8361674165. The cubic root of 989699 is about 99.6554475328.

The spelling of 989699 in words is "nine hundred eighty-nine thousand, six hundred ninety-nine".