860925280 has 48 divisors (see below), whose sum is σ = 2040552864. Its totient is φ = 343249920.

The previous prime is 860925217. The next prime is 860925293. The reversal of 860925280 is 82529068.

It is a super-3 number, since 3×860925280³ (a number of 28 digits) contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41485 + ... + 58675.

It is an arithmetic number, because the mean of its divisors is an integer number (42511518).

Almost surely, 2^860925280 is an apocalyptic number.

860925280 is a gapful number since it is divisible by the number (80) 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 860925280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020276432).

860925280 is an abundant number, since it is smaller than the sum of its proper divisors (1179627584).

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

860925280 is a wasteful number, since it uses less digits than its factorization.

860925280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17519 (or 17511 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 860925280 is about 29341.5282492238. The cubic root of 860925280 is about 951.3094702952.

The spelling of 860925280 in words is "eight hundred sixty million, nine hundred twenty-five thousand, two hundred eighty".