4454239 has 2 divisors, whose sum is σ = 4454240. Its totient is φ = 4454238.

The previous prime is 4454213. The next prime is 4454269. The reversal of 4454239 is 9324544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4454239 - 2⁵ = 4454207 is a prime.

4454239 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4454239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4454209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227119 + 2227120.

It is an arithmetic number, because the mean of its divisors is an integer number (2227120).

Almost surely, 2^4454239 is an apocalyptic number.

4454239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454239 is an equidigital number, since it uses as much as digits as its factorization.

4454239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 4454239 is about 2110.5068111712. The cubic root of 4454239 is about 164.5348269311.

The spelling of 4454239 in words is "four million, four hundred fifty-four thousand, two hundred thirty-nine".