2878944 has 24 divisors (see below), whose sum is σ = 7557480. Its totient is φ = 959616.

The previous prime is 2878921. The next prime is 2878957. The reversal of 2878944 is 4498782.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2878896 and 2878905.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14899 + ... + 15090.

It is an arithmetic number, because the mean of its divisors is an integer number (314895).

2^2878944 is an apocalyptic number.

2878944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2878944 is an abundant number, since it is smaller than the sum of its proper divisors (4678536).

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

2878944 is a wasteful number, since it uses less digits than its factorization.

2878944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30002 (or 29994 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 2878944 is about 1696.7451193388. The cubic root of 2878944 is about 142.2583407977.

The spelling of 2878944 in words is "two million, eight hundred seventy-eight thousand, nine hundred forty-four".