4398039 has 12 divisors (see below), whose sum is σ = 6457672. Its totient is φ = 2883600.

The previous prime is 4398013. The next prime is 4398047. The reversal of 4398039 is 9308934.

It is not a de Polignac number, because 4398039 - 2⁵ = 4398007 is a prime.

It is a Duffinian number.

4398039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4397994 and 4398012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398049) 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 11 ways as a sum of consecutive naturals, for example, 3457 + ... + 4554.

Almost surely, 2^4398039 is an apocalyptic number.

4398039 is a deficient number, since it is larger than the sum of its proper divisors (2059633).

4398039 is a wasteful number, since it uses less digits than its factorization.

4398039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8078 (or 8075 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4398039 is about 2097.1502092125. The cubic root of 4398039 is about 163.8399067298.

The spelling of 4398039 in words is "four million, three hundred ninety-eight thousand, thirty-nine".