2878544 has 10 divisors (see below), whose sum is σ = 5577210. Its totient is φ = 1439264.

The previous prime is 2878543. The next prime is 2878573. The reversal of 2878544 is 4458782.

2878544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 506944 = 1540^2 + 712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2878498 and 2878507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878543) 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 as a sum of consecutive naturals, namely, 89939 + ... + 89970.

It is an arithmetic number, because the mean of its divisors is an integer number (557721).

2^2878544 is an apocalyptic number.

It is an amenable number.

2878544 is a deficient number, since it is larger than the sum of its proper divisors (2698666).

2878544 is a wasteful number, since it uses less digits than its factorization.

2878544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179917 (or 179911 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 2878544 is about 1696.6272425020. The cubic root of 2878544 is about 142.2517520424.

The spelling of 2878544 in words is "two million, eight hundred seventy-eight thousand, five hundred forty-four".