860601808 has 80 divisors (see below), whose sum is σ = 1961749440. Its totient is φ = 361497600.

The previous prime is 860601779. The next prime is 860601811. The reversal of 860601808 is 808106068.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133966 + ... + 140242.

It is an arithmetic number, because the mean of its divisors is an integer number (24521868).

Almost surely, 2^860601808 is an apocalyptic number.

860601808 is a gapful number since it is divisible by the number (88) 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 860601808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980874720).

860601808 is an abundant number, since it is smaller than the sum of its proper divisors (1101147632).

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

860601808 is a wasteful number, since it uses less digits than its factorization.

860601808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356 (or 6350 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 860601808 is about 29336.0155440373. The cubic root of 860601808 is about 951.1903114739.

The spelling of 860601808 in words is "eight hundred sixty million, six hundred one thousand, eight hundred eight".