2878806 has 16 divisors (see below), whose sum is σ = 6580224. Its totient is φ = 822504.

The previous prime is 2878793. The next prime is 2878819. The reversal of 2878806 is 6088782.

It is an interprime number because it is at equal distance from previous prime (2878793) and next prime (2878819).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34230 + ... + 34313.

It is an arithmetic number, because the mean of its divisors is an integer number (411264).

2^2878806 is an apocalyptic number.

2878806 is an abundant number, since it is smaller than the sum of its proper divisors (3701418).

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

2878806 is a wasteful number, since it uses less digits than its factorization.

2878806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68555.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 2878806 is about 1696.7044527554. The cubic root of 2878806 is about 142.2560677461.

The spelling of 2878806 in words is "two million, eight hundred seventy-eight thousand, eight hundred six".