2889906 has 8 divisors (see below), whose sum is σ = 5779824. Its totient is φ = 963300.

The previous prime is 2889883. The next prime is 2889923. The reversal of 2889906 is 6099882.

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

2889906 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240820 + ... + 240831.

It is an arithmetic number, because the mean of its divisors is an integer number (722478).

2^2889906 is an apocalyptic number.

2889906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2889906 is a wasteful number, since it uses less digits than its factorization.

2889906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481656.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2889906 is about 1699.9723527164. The cubic root of 2889906 is about 142.4386685901.

The spelling of 2889906 in words is "two million, eight hundred eighty-nine thousand, nine hundred six".