980664 has 32 divisors (see below), whose sum is σ = 2538000. Its totient is φ = 315392.

The previous prime is 980641. The next prime is 980677. The reversal of 980664 is 466089.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 1400.

2⁹⁸⁰⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 980664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269000).

980664 is an abundant number, since it is smaller than the sum of its proper divisors (1557336).

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

980664 is a wasteful number, since it uses less digits than its factorization.

980664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 980664 is about 990.2848075175. The cubic root of 980664 is about 99.3512672253.

It can be divided in two parts, 9806 and 64, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 980664 in words is "nine hundred eighty thousand, six hundred sixty-four".