2865278 has 16 divisors (see below), whose sum is σ = 4660656. Its totient is φ = 1313280.

The previous prime is 2865277. The next prime is 2865307. The reversal of 2865278 is 8725682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4733 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (291291).

2^2865278 is an apocalyptic number.

2865278 is a deficient number, since it is larger than the sum of its proper divisors (1795378).

2865278 is a wasteful number, since it uses less digits than its factorization.

2865278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 53760, while the sum is 38.

The square root of 2865278 is about 1692.7132066597. The cubic root of 2865278 is about 142.0328892938.

The spelling of 2865278 in words is "two million, eight hundred sixty-five thousand, two hundred seventy-eight".