2889818 has 4 divisors (see below), whose sum is σ = 4334730. Its totient is φ = 1444908.

The previous prime is 2889797. The next prime is 2889823. The reversal of 2889818 is 8189882.

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

It can be written as a sum of positive squares in only one way, i.e., 1708249 + 1181569 = 1307^2 + 1087^2 .

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722453 + ... + 722456.

2^2889818 is an apocalyptic number.

2889818 is a deficient number, since it is larger than the sum of its proper divisors (1444912).

2889818 is a wasteful number, since it uses less digits than its factorization.

2889818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444911.

The product of its digits is 73728, while the sum is 44.

The square root of 2889818 is about 1699.9464697454. The cubic root of 2889818 is about 142.4372227841.

The spelling of 2889818 in words is "two million, eight hundred eighty-nine thousand, eight hundred eighteen".