860245320 has 128 divisors (see below), whose sum is σ = 2828442240. Its totient is φ = 207575040.

The previous prime is 860245307. The next prime is 860245343. The reversal of 860245320 is 23542068.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 306162 + ... + 308958.

It is an arithmetic number, because the mean of its divisors is an integer number (22097205).

Almost surely, 2^860245320 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 860245320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414221120).

860245320 is an abundant number, since it is smaller than the sum of its proper divisors (1968196920).

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

860245320 is a wasteful number, since it uses less digits than its factorization.

860245320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3051 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 860245320 is about 29329.9389702740. The cubic root of 860245320 is about 951.0589558110.

Adding to 860245320 its reverse (23542068), we get a palindrome (883787388).

The spelling of 860245320 in words is "eight hundred sixty million, two hundred forty-five thousand, three hundred twenty".