4006839 has 8 divisors (see below), whose sum is σ = 5382000. Its totient is φ = 2651456.

The previous prime is 4006837. The next prime is 4006859. The reversal of 4006839 is 9386004.

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

It is a cyclic number.

It is not a de Polignac number, because 4006839 - 2¹ = 4006837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (672750).

Almost surely, 2^4006839 is an apocalyptic number.

4006839 is a deficient number, since it is larger than the sum of its proper divisors (1375161).

4006839 is a wasteful number, since it uses less digits than its factorization.

4006839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4006839 is about 2001.7090198128. The cubic root of 4006839 is about 158.8305223178.

The spelling of 4006839 in words is "four million, six thousand, eight hundred thirty-nine".