4492239 has 8 divisors (see below), whose sum is σ = 6023472. Its totient is φ = 2977920.

The previous prime is 4492237. The next prime is 4492249. The reversal of 4492239 is 9322944.

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

It is not a de Polignac number, because 4492239 - 2¹ = 4492237 is a prime.

It is a super-2 number, since 2×4492239² = 40360422466242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3594 + ... + 4679.

It is an arithmetic number, because the mean of its divisors is an integer number (752934).

Almost surely, 2^4492239 is an apocalyptic number.

4492239 is a deficient number, since it is larger than the sum of its proper divisors (1531233).

4492239 is a wasteful number, since it uses less digits than its factorization.

4492239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8457.

The product of its digits is 15552, while the sum is 33.

The square root of 4492239 is about 2119.4902689090. The cubic root of 4492239 is about 165.0013957641.

The spelling of 4492239 in words is "four million, four hundred ninety-two thousand, two hundred thirty-nine".