3040039 has 4 divisors (see below), whose sum is σ = 3067056. Its totient is φ = 3013024.

The previous prime is 3040021. The next prime is 3040043. The reversal of 3040039 is 9300403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3040039 is a prime.

It is a Duffinian number.

3040039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3039998 and 3040025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13339 + ... + 13564.

It is an arithmetic number, because the mean of its divisors is an integer number (766764).

Almost surely, 2^3040039 is an apocalyptic number.

3040039 is a deficient number, since it is larger than the sum of its proper divisors (27017).

3040039 is a wasteful number, since it uses less digits than its factorization.

3040039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27016.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3040039 is about 1743.5707613974. The cubic root of 3040039 is about 144.8637483467.

The spelling of 3040039 in words is "three million, forty thousand, thirty-nine".