2865132 has 60 divisors (see below), whose sum is σ = 7724640. Its totient is φ = 925344.

The previous prime is 2865131. The next prime is 2865157. The reversal of 2865132 is 2315682.

2865132 is a `hidden beast` number, since 2 + 8 + 651 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2865096 and 2865105.

It is not an unprimeable number, because it can be changed into a prime (2865131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11869 + ... + 12107.

It is an arithmetic number, because the mean of its divisors is an integer number (128744).

2^2865132 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 2865132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3862320).

2865132 is an abundant number, since it is smaller than the sum of its proper divisors (4859508).

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

2865132 is a wasteful number, since it uses less digits than its factorization.

2865132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 281 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2865132 is about 1692.6700800806. The cubic root of 2865132 is about 142.0304768281.

The spelling of 2865132 in words is "two million, eight hundred sixty-five thousand, one hundred thirty-two".