2878925 has 12 divisors (see below), whose sum is σ = 4080096. Its totient is φ = 1974000.

The previous prime is 2878921. The next prime is 2878957. The reversal of 2878925 is 5298782.

It is a happy number.

It is not a de Polignac number, because 2878925 - 2² = 2878921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8051 + ... + 8400.

It is an arithmetic number, because the mean of its divisors is an integer number (340008).

2^2878925 is an apocalyptic number.

2878925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2878925 is a deficient number, since it is larger than the sum of its proper divisors (1201171).

2878925 is a wasteful number, since it uses less digits than its factorization.

2878925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16468 (or 16463 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 2878925 is about 1696.7395203743. The cubic root of 2878925 is about 142.2580278456.

The spelling of 2878925 in words is "two million, eight hundred seventy-eight thousand, nine hundred twenty-five".