4072039 has 2 divisors, whose sum is σ = 4072040. Its totient is φ = 4072038.

The previous prime is 4072009. The next prime is 4072049. The reversal of 4072039 is 9302704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4072039 - 2⁵ = 4072007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4072009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2036019 + 2036020.

It is an arithmetic number, because the mean of its divisors is an integer number (2036020).

Almost surely, 2^4072039 is an apocalyptic number.

4072039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4072039 is an equidigital number, since it uses as much as digits as its factorization.

4072039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 4072039 is about 2017.9293842947. The cubic root of 4072039 is about 159.6873974581.

The spelling of 4072039 in words is "four million, seventy-two thousand, thirty-nine".