447852239 has 4 divisors (see below), whose sum is σ = 448063560. Its totient is φ = 447640920.

The previous prime is 447852221. The next prime is 447852247. The reversal of 447852239 is 932258744.

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 447852239 - 2¹² = 447848143 is a prime.

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 447852239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447852289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102449 + ... + 106730.

It is an arithmetic number, because the mean of its divisors is an integer number (112015890).

Almost surely, 2^447852239 is an apocalyptic number.

447852239 is a deficient number, since it is larger than the sum of its proper divisors (211321).

447852239 is a wasteful number, since it uses less digits than its factorization.

447852239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211320.

The product of its digits is 483840, while the sum is 44.

The square root of 447852239 is about 21162.5196751238. The cubic root of 447852239 is about 765.0883398632.

The spelling of 447852239 in words is "four hundred forty-seven million, eight hundred fifty-two thousand, two hundred thirty-nine".