986986 has 64 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 322560.

The previous prime is 986983. The next prime is 986989. The reversal of 986986 is 689689.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (986983) and next prime (986989).

986986 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (986981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34020 + ... + 34048.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁹⁸⁶⁹⁸⁶ is an apocalyptic number.

986986 is an abundant number, since it is smaller than the sum of its proper divisors (1190294).

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

986986 is a wasteful number, since it uses less digits than its factorization.

986986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79.

The product of its digits is 186624, while the sum is 46.

The square root of 986986 is about 993.4716905881. The cubic root of 986986 is about 99.5643044508.

The spelling of 986986 in words is "nine hundred eighty-six thousand, nine hundred eighty-six".