442339199 has 4 divisors (see below), whose sum is σ = 442383936. Its totient is φ = 442294464.

The previous prime is 442339189. The next prime is 442339207. The reversal of 442339199 is 991933244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 442339199 - 2²⁰ = 441290623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442339169) 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, 239 + ... + 29744.

It is an arithmetic number, because the mean of its divisors is an integer number (110595984).

Almost surely, 2^442339199 is an apocalyptic number.

442339199 is a deficient number, since it is larger than the sum of its proper divisors (44737).

442339199 is a wasteful number, since it uses less digits than its factorization.

442339199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44736.

The product of its digits is 209952, while the sum is 44.

The square root of 442339199 is about 21031.8615200842. The cubic root of 442339199 is about 761.9359685841.

The spelling of 442339199 in words is "four hundred forty-two million, three hundred thirty-nine thousand, one hundred ninety-nine".