860288 has 64 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 353280.

The previous prime is 860267. The next prime is 860291. The reversal of 860288 is 882068.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18281 + ... + 18327.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2⁸⁶⁰²⁸⁸ is an apocalyptic number.

860288 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 860288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028160).

860288 is an abundant number, since it is smaller than the sum of its proper divisors (1196032).

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

860288 is a wasteful number, since it uses less digits than its factorization.

860288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 860288 is about 927.5171157450. The cubic root of 860288 is about 95.1074684086.

The spelling of 860288 in words is "eight hundred sixty thousand, two hundred eighty-eight".