86652840 has 64 divisors (see below), whose sum is σ = 260832960. Its totient is φ = 23029760.

The previous prime is 86652833. The next prime is 86652871. The reversal of 86652840 is 4825668.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 40600 + ... + 42680.

It is an arithmetic number, because the mean of its divisors is an integer number (4075515).

Almost surely, 2^86652840 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 86652840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130416480).

86652840 is an abundant number, since it is smaller than the sum of its proper divisors (174180120).

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

86652840 is a wasteful number, since it uses less digits than its factorization.

86652840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 86652840 is about 9308.7507217671. The cubic root of 86652840 is about 442.5145962181.

The spelling of 86652840 in words is "eighty-six million, six hundred fifty-two thousand, eight hundred forty".