86706984 has 192 divisors, whose sum is σ = 283651200. Its totient is φ = 21482496.

The previous prime is 86706973. The next prime is 86707001. The reversal of 86706984 is 48960768.

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 47 ways as a sum of consecutive naturals, for example, 2343414 + ... + 2343450.

It is an arithmetic number, because the mean of its divisors is an integer number (1477350).

Almost surely, 2^86706984 is an apocalyptic number.

86706984 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86706984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141825600).

86706984 is an abundant number, since it is smaller than the sum of its proper divisors (196944216).

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

86706984 is a wasteful number, since it uses less digits than its factorization.

86706984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 86706984 is about 9311.6584988927. The cubic root of 86706984 is about 442.6067436951.

The spelling of 86706984 in words is "eighty-six million, seven hundred six thousand, nine hundred eighty-four".