2989816 has 16 divisors (see below), whose sum is σ = 5850000. Its totient is φ = 1429824.

The previous prime is 2989799. The next prime is 2989823. The reversal of 2989816 is 6189892.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent 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, 7941 + ... + 8308.

It is an arithmetic number, because the mean of its divisors is an integer number (365625).

2^2989816 is an apocalyptic number.

It is an amenable number.

2989816 is a deficient number, since it is larger than the sum of its proper divisors (2860184).

2989816 is a wasteful number, since it uses less digits than its factorization.

2989816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278 (or 16274 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 2989816 is about 1729.1084407868. The cubic root of 2989816 is about 144.0615734621.

The spelling of 2989816 in words is "two million, nine hundred eighty-nine thousand, eight hundred sixteen".