4494239 has 6 divisors (see below), whose sum is σ = 4774464. Its totient is φ = 4229600.

The previous prime is 4494227. The next prime is 4494247. The reversal of 4494239 is 9324944.

It is not a de Polignac number, because 4494239 - 2¹⁶ = 4428703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4494199 and 4494208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4494209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7487 + ... + 8064.

It is an arithmetic number, because the mean of its divisors is an integer number (795744).

Almost surely, 2^4494239 is an apocalyptic number.

4494239 is a deficient number, since it is larger than the sum of its proper divisors (280225).

4494239 is a wasteful number, since it uses less digits than its factorization.

4494239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15585 (or 15568 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 4494239 is about 2119.9620279618. The cubic root of 4494239 is about 165.0258790140.

The spelling of 4494239 in words is "four million, four hundred ninety-four thousand, two hundred thirty-nine".