2839838 has 4 divisors (see below), whose sum is σ = 4259760. Its totient is φ = 1419918.

The previous prime is 2839831. The next prime is 2839841. The reversal of 2839838 is 8389382.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2839795 and 2839804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709958 + ... + 709961.

It is an arithmetic number, because the mean of its divisors is an integer number (1064940).

2^2839838 is an apocalyptic number.

2839838 is a deficient number, since it is larger than the sum of its proper divisors (1419922).

2839838 is a wasteful number, since it uses less digits than its factorization.

2839838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419921.

The product of its digits is 82944, while the sum is 41.

The square root of 2839838 is about 1685.1818892927. The cubic root of 2839838 is about 141.6112823104.

The spelling of 2839838 in words is "two million, eight hundred thirty-nine thousand, eight hundred thirty-eight".