4913239 has 4 divisors (see below), whose sum is σ = 5017824. Its totient is φ = 4808656.

The previous prime is 4913197. The next prime is 4913257. The reversal of 4913239 is 9323194.

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

It is a cyclic number.

It is not a de Polignac number, because 4913239 - 2⁹ = 4912727 is a prime.

It is a super-2 number, since 2×4913239² = 48279834942242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4913239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4913269) 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 3 ways as a sum of consecutive naturals, for example, 52222 + ... + 52315.

It is an arithmetic number, because the mean of its divisors is an integer number (1254456).

Almost surely, 2^4913239 is an apocalyptic number.

4913239 is a deficient number, since it is larger than the sum of its proper divisors (104585).

4913239 is a wasteful number, since it uses less digits than its factorization.

4913239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104584.

The product of its digits is 5832, while the sum is 31.

The square root of 4913239 is about 2216.5827302404. The cubic root of 4913239 is about 170.0027565874.

The spelling of 4913239 in words is "four million, nine hundred thirteen thousand, two hundred thirty-nine".