4056039 has 12 divisors (see below), whose sum is σ = 6309576. Its totient is φ = 2495952.

The previous prime is 4056023. The next prime is 4056067. The reversal of 4056039 is 9306504.

It is a happy number.

It is not a de Polignac number, because 4056039 - 2⁴ = 4056023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17217 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (525798).

Almost surely, 2^4056039 is an apocalyptic number.

4056039 is a deficient number, since it is larger than the sum of its proper divisors (2253537).

4056039 is a wasteful number, since it uses less digits than its factorization.

4056039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34686 (or 34683 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 4056039 is about 2013.9610224629. The cubic root of 4056039 is about 159.4779731312.

The spelling of 4056039 in words is "four million, fifty-six thousand, thirty-nine".