2865667 has 12 divisors (see below), whose sum is σ = 3361176. Its totient is φ = 2436000.

The previous prime is 2865661. The next prime is 2865679. The reversal of 2865667 is 7665682.

2865667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2865667 - 2³ = 2865659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2865661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11292 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (280098).

2^2865667 is an apocalyptic number.

2865667 is a deficient number, since it is larger than the sum of its proper divisors (495509).

2865667 is a wasteful number, since it uses less digits than its factorization.

2865667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 491 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 2865667 is about 1692.8281070445. The cubic root of 2865667 is about 142.0393166275.

The spelling of 2865667 in words is "two million, eight hundred sixty-five thousand, six hundred sixty-seven".