8424039 has 16 divisors (see below), whose sum is σ = 12297824. Its totient is φ = 5097600.

The previous prime is 8424029. The next prime is 8424041. The reversal of 8424039 is 9304248.

It is a happy number.

It is not a de Polignac number, because 8424039 - 2⁴ = 8424023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8423997 and 8424015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8424019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (768614).

Almost surely, 2^8424039 is an apocalyptic number.

8424039 is a deficient number, since it is larger than the sum of its proper divisors (3873785).

8424039 is a wasteful number, since it uses less digits than its factorization.

8424039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3618.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8424039 is about 2902.4195079278. The cubic root of 8424039 is about 203.4730005814.

The spelling of 8424039 in words is "eight million, four hundred twenty-four thousand, thirty-nine".