4016039 has 2 divisors, whose sum is σ = 4016040. Its totient is φ = 4016038.

The previous prime is 4016027. The next prime is 4016041. The reversal of 4016039 is 9306104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4016039 is a prime.

It is a super-2 number, since 2×4016039² = 32257138499042, which contains 22 as substring.

Together with 4016041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4016059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2008019 + 2008020.

It is an arithmetic number, because the mean of its divisors is an integer number (2008020).

Almost surely, 2^4016039 is an apocalyptic number.

4016039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4016039 is an equidigital number, since it uses as much as digits as its factorization.

4016039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 4016039 is about 2004.0057385147. The cubic root of 4016039 is about 158.9519916237.

Subtracting from 4016039 its sum of digits (23), we obtain a square (4016016 = 2004²).

The spelling of 4016039 in words is "four million, sixteen thousand, thirty-nine".