442899 has 6 divisors (see below), whose sum is σ = 639756. Its totient is φ = 295260.

The previous prime is 442879. The next prime is 442903. The reversal of 442899 is 998244.

It is a happy number.

It is not a de Polignac number, because 442899 - 2¹⁷ = 311827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24597 + ... + 24614.

It is an arithmetic number, because the mean of its divisors is an integer number (106626).

2⁴⁴²⁸⁹⁹ is an apocalyptic number.

442899 is a deficient number, since it is larger than the sum of its proper divisors (196857).

442899 is a wasteful number, since it uses less digits than its factorization.

442899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49217 (or 49214 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 442899 is about 665.5065739720. The cubic root of 442899 is about 76.2257254988.

The spelling of 442899 in words is "four hundred forty-two thousand, eight hundred ninety-nine".