986670 has 48 divisors (see below), whose sum is σ = 2705040. Its totient is φ = 248832.

The previous prime is 986659. The next prime is 986693. The reversal of 986670 is 76689.

It is a congruent number.

It is an unprimeable 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 23 ways as a sum of consecutive naturals, for example, 1422 + ... + 1998.

It is an arithmetic number, because the mean of its divisors is an integer number (56355).

2⁹⁸⁶⁶⁷⁰ is an apocalyptic number.

986670 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 986670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352520).

986670 is an abundant number, since it is smaller than the sum of its proper divisors (1718370).

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

986670 is a wasteful number, since it uses less digits than its factorization.

986670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 986670 is about 993.3126396055. The cubic root of 986670 is about 99.5536775934.

The spelling of 986670 in words is "nine hundred eighty-six thousand, six hundred seventy".