860483920 has 20 divisors (see below), whose sum is σ = 2000625300. Its totient is φ = 344193536.

The previous prime is 860483891. The next prime is 860483947. The reversal of 860483920 is 29384068.

It can be written as a sum of positive squares in 2 ways, for example, as 235683904 + 624800016 = 15352^2 + 24996^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5377945 + ... + 5378104.

It is an arithmetic number, because the mean of its divisors is an integer number (100031265).

Almost surely, 2^860483920 is an apocalyptic number.

860483920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

860483920 is an abundant number, since it is smaller than the sum of its proper divisors (1140141380).

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

860483920 is a wasteful number, since it uses less digits than its factorization.

860483920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10756062 (or 10756056 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 860483920 is about 29334.0062044038. The cubic root of 860483920 is about 951.1468771225.

The spelling of 860483920 in words is "eight hundred sixty million, four hundred eighty-three thousand, nine hundred twenty".