442099 has 8 divisors (see below), whose sum is σ = 510048. Its totient is φ = 375360.

The previous prime is 442097. The next prime is 442109. The reversal of 442099 is 990244.

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

It is a cyclic number.

It is not a de Polignac number, because 442099 - 2¹ = 442097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442097) 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, 729 + ... + 1189.

It is an arithmetic number, because the mean of its divisors is an integer number (63756).

2⁴⁴²⁰⁹⁹ is an apocalyptic number.

442099 is a deficient number, since it is larger than the sum of its proper divisors (67949).

442099 is a wasteful number, since it uses less digits than its factorization.

442099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 442099 is about 664.9052564088. The cubic root of 442099 is about 76.1798028141.

It can be divided in two parts, 4420 and 99, that multiplied together give a triangular number (437580 = T₉₃₅).

The spelling of 442099 in words is "four hundred forty-two thousand, ninety-nine".