2878205 has 16 divisors (see below), whose sum is σ = 3858624. Its totient is φ = 2042880.

The previous prime is 2878181. The next prime is 2878229. The reversal of 2878205 is 5028782.

It is an interprime number because it is at equal distance from previous prime (2878181) and next prime (2878229).

It is not a de Polignac number, because 2878205 - 2²⁰ = 1829629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1757 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (241164).

2^2878205 is an apocalyptic number.

It is an amenable number.

2878205 is a deficient number, since it is larger than the sum of its proper divisors (980419).

2878205 is a wasteful number, since it uses less digits than its factorization.

2878205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2878205 is about 1696.5273354709. The cubic root of 2878205 is about 142.2461675945.

The spelling of 2878205 in words is "two million, eight hundred seventy-eight thousand, two hundred five".