989704 has 16 divisors (see below), whose sum is σ = 1868220. Its totient is φ = 491520.

The previous prime is 989687. The next prime is 989719. The reversal of 989704 is 407989.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 980100 + 9604 = 990^2 + 98^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224 + ... + 1864.

2⁹⁸⁹⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

989704 is a deficient number, since it is larger than the sum of its proper divisors (878516).

989704 is a wasteful number, since it uses less digits than its factorization.

989704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 989704 is about 994.8386803899. The cubic root of 989704 is about 99.6556153536.

The spelling of 989704 in words is "nine hundred eighty-nine thousand, seven hundred four".