3982839 has 16 divisors (see below), whose sum is σ = 6140160. Its totient is φ = 2249280.

The previous prime is 3982819. The next prime is 3982877. The reversal of 3982839 is 9382893.

It is not a de Polignac number, because 3982839 - 2¹² = 3978743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3982839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (383760).

Almost surely, 2^3982839 is an apocalyptic number.

3982839 is a deficient number, since it is larger than the sum of its proper divisors (2157321).

3982839 is a wasteful number, since it uses less digits than its factorization.

3982839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its digits is 93312, while the sum is 42.

The square root of 3982839 is about 1995.7051385413. The cubic root of 3982839 is about 158.5127681966.

The spelling of 3982839 in words is "three million, nine hundred eighty-two thousand, eight hundred thirty-nine".