2878906 has 8 divisors (see below), whose sum is σ = 4345344. Its totient is φ = 1430460.

The previous prime is 2878903. The next prime is 2878919. The reversal of 2878906 is 6098782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2878903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090 + ... + 4741.

It is an arithmetic number, because the mean of its divisors is an integer number (543168).

2^2878906 is an apocalyptic number.

2878906 is a deficient number, since it is larger than the sum of its proper divisors (1466438).

2878906 is a wasteful number, since it uses less digits than its factorization.

2878906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2878906 is about 1696.7339213913. The cubic root of 2878906 is about 142.2577148922.

The spelling of 2878906 in words is "two million, eight hundred seventy-eight thousand, nine hundred six".