2839688 has 8 divisors (see below), whose sum is σ = 5324430. Its totient is φ = 1419840.

The previous prime is 2839657. The next prime is 2839691. The reversal of 2839688 is 8869382.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 702244 = 1462^2 + 838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177473 + ... + 177488.

2^2839688 is an apocalyptic number.

It is an amenable number.

2839688 is a deficient number, since it is larger than the sum of its proper divisors (2484742).

2839688 is a wasteful number, since it uses less digits than its factorization.

2839688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354967 (or 354963 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 2839688 is about 1685.1373831234. The cubic root of 2839688 is about 141.6087889679.

The spelling of 2839688 in words is "two million, eight hundred thirty-nine thousand, six hundred eighty-eight".