3040439 has 8 divisors (see below), whose sum is σ = 3196032. Its totient is φ = 2886840.

The previous prime is 3040409. The next prime is 3040469. The reversal of 3040439 is 9340403.

It is an interprime number because it is at equal distance from previous prime (3040409) and next prime (3040469).

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 3040439 - 2¹² = 3036343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3344 + ... + 4154.

It is an arithmetic number, because the mean of its divisors is an integer number (399504).

Almost surely, 2^3040439 is an apocalyptic number.

3040439 is a deficient number, since it is larger than the sum of its proper divisors (155593).

3040439 is a wasteful number, since it uses less digits than its factorization.

3040439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3040439 is about 1743.6854647556. The cubic root of 3040439 is about 144.8701016597.

The spelling of 3040439 in words is "three million, forty thousand, four hundred thirty-nine".