442670 has 8 divisors (see below), whose sum is σ = 796824. Its totient is φ = 177064.

The previous prime is 442633. The next prime is 442691. The reversal of 442670 is 76244.

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

It is a congruent number.

It is an unprimeable number.

442670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22124 + ... + 22143.

It is an arithmetic number, because the mean of its divisors is an integer number (99603).

2⁴⁴²⁶⁷⁰ is an apocalyptic number.

442670 is a deficient number, since it is larger than the sum of its proper divisors (354154).

442670 is a wasteful number, since it uses less digits than its factorization.

442670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44274.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 442670 is about 665.3345023370. The cubic root of 442670 is about 76.2125857833.

The spelling of 442670 in words is "four hundred forty-two thousand, six hundred seventy".