4455239 has 2 divisors, whose sum is σ = 4455240. Its totient is φ = 4455238.

The previous prime is 4455229. The next prime is 4455259. The reversal of 4455239 is 9325544.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4455239 - 2⁴ = 4455223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4455229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227619 + 2227620.

It is an arithmetic number, because the mean of its divisors is an integer number (2227620).

Almost surely, 2^4455239 is an apocalyptic number.

4455239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455239 is an equidigital number, since it uses as much as digits as its factorization.

4455239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 4455239 is about 2110.7437077959. The cubic root of 4455239 is about 164.5471389867.

The spelling of 4455239 in words is "four million, four hundred fifty-five thousand, two hundred thirty-nine".