442179 has 20 divisors (see below), whose sum is σ = 679536. Its totient is φ = 286416.

The previous prime is 442177. The next prime is 442181. The reversal of 442179 is 971244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442177) and next prime (442181).

It is not a de Polignac number, because 442179 - 2¹ = 442177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2016) is a multiple of the sum of its prime factors (168).

442179 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (442171) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4242 + ... + 4344.

2⁴⁴²¹⁷⁹ is an apocalyptic number.

442179 is a deficient number, since it is larger than the sum of its proper divisors (237357).

442179 is a wasteful number, since it uses less digits than its factorization.

442179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 159 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 442179 is about 664.9654126344. The cubic root of 442179 is about 76.1843975743.

The spelling of 442179 in words is "four hundred forty-two thousand, one hundred seventy-nine".