984664 has 8 divisors (see below), whose sum is σ = 1846260. Its totient is φ = 492328.

The previous prime is 984617. The next prime is 984667. The reversal of 984664 is 466489.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61534 + ... + 61549.

2⁹⁸⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

984664 is a deficient number, since it is larger than the sum of its proper divisors (861596).

984664 is a wasteful number, since it uses less digits than its factorization.

984664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123089 (or 123085 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 984664 is about 992.3023732714. The cubic root of 984664 is about 99.4861642504.

The spelling of 984664 in words is "nine hundred eighty-four thousand, six hundred sixty-four".