2839966 has 8 divisors (see below), whose sum is σ = 4304160. Its totient is φ = 1405248.

The previous prime is 2839961. The next prime is 2839981. The reversal of 2839966 is 6699382.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7126 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (538020).

2^2839966 is an apocalyptic number.

2839966 is a deficient number, since it is larger than the sum of its proper divisors (1464194).

2839966 is a wasteful number, since it uses less digits than its factorization.

2839966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14738.

The product of its digits is 139968, while the sum is 43.

The square root of 2839966 is about 1685.2198669610. The cubic root of 2839966 is about 141.6134098933.

The spelling of 2839966 in words is "two million, eight hundred thirty-nine thousand, nine hundred sixty-six".