2989886 has 4 divisors (see below), whose sum is σ = 4484832. Its totient is φ = 1494942.

The previous prime is 2989879. The next prime is 2989927. The reversal of 2989886 is 6889892.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747470 + ... + 747473.

It is an arithmetic number, because the mean of its divisors is an integer number (1121208).

2^2989886 is an apocalyptic number.

2989886 is a deficient number, since it is larger than the sum of its proper divisors (1494946).

2989886 is a wasteful number, since it uses less digits than its factorization.

2989886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494945.

The product of its digits is 497664, while the sum is 50.

The square root of 2989886 is about 1729.1286823137. The cubic root of 2989886 is about 144.0626977488.

The spelling of 2989886 in words is "two million, nine hundred eighty-nine thousand, eight hundred eighty-six".