4248939 has 8 divisors (see below), whose sum is σ = 5750080. Its totient is φ = 2790216.

The previous prime is 4248931. The next prime is 4248947. The reversal of 4248939 is 9398424.

It is an interprime number because it is at equal distance from previous prime (4248931) and next prime (4248947).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4248939 - 2³ = 4248931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4248897 and 4248906.

It is not an unprimeable number, because it can be changed into a prime (4248931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10369 + ... + 10770.

It is an arithmetic number, because the mean of its divisors is an integer number (718760).

Almost surely, 2^4248939 is an apocalyptic number.

4248939 is a deficient number, since it is larger than the sum of its proper divisors (1501141).

4248939 is a wasteful number, since it uses less digits than its factorization.

4248939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21209.

The product of its digits is 62208, while the sum is 39.

The square root of 4248939 is about 2061.2954664482. The cubic root of 4248939 is about 161.9671096161.

The spelling of 4248939 in words is "four million, two hundred forty-eight thousand, nine hundred thirty-nine".