2865168 has 60 divisors (see below), whose sum is σ = 8138988. Its totient is φ = 940800.

The previous prime is 2865157. The next prime is 2865173. The reversal of 2865168 is 8615682.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2782224 + 82944 = 1668^2 + 288^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14446 + ... + 14642.

2^2865168 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 2865168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4069494).

2865168 is an abundant number, since it is smaller than the sum of its proper divisors (5273820).

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

2865168 is a wasteful number, since it uses less digits than its factorization.

2865168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 303 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 2865168 is about 1692.6807141336. The cubic root of 2865168 is about 142.0310716903.

The spelling of 2865168 in words is "two million, eight hundred sixty-five thousand, one hundred sixty-eight".