442835 has 8 divisors (see below), whose sum is σ = 548736. Its totient is φ = 342720.

The previous prime is 442831. The next prime is 442837. The reversal of 442835 is 538244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442835 - 2² = 442831 is a prime.

It is a super-2 number, since 2×442835² = 392205674450, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (442831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274 + ... + 1583.

It is an arithmetic number, because the mean of its divisors is an integer number (68592).

2⁴⁴²⁸³⁵ is an apocalyptic number.

442835 is a deficient number, since it is larger than the sum of its proper divisors (105901).

442835 is a wasteful number, since it uses less digits than its factorization.

442835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893.

The product of its digits is 3840, while the sum is 26.

The square root of 442835 is about 665.4584885626. The cubic root of 442835 is about 76.2220537200. Note that the first 3 decimals are identical.

The spelling of 442835 in words is "four hundred forty-two thousand, eight hundred thirty-five".