2878404 has 24 divisors (see below), whose sum is σ = 7008960. Its totient is φ = 917664.

The previous prime is 2878397. The next prime is 2878409. The reversal of 2878404 is 4048782.

2878404 = T₂₄₆ + T₂₄₇ + ... + T₃₁₇.

It is not an unprimeable number, because it can be changed into a prime (2878409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4939 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (292040).

2^2878404 is an apocalyptic number.

It is an amenable number.

2878404 is an abundant number, since it is smaller than the sum of its proper divisors (4130556).

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

2878404 is a wasteful number, since it uses less digits than its factorization.

2878404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10459 (or 10457 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 2878404 is about 1696.5859836743. The cubic root of 2878404 is about 142.2494458339.

The spelling of 2878404 in words is "two million, eight hundred seventy-eight thousand, four hundred four".