442627 has 4 divisors (see below), whose sum is σ = 457920. Its totient is φ = 427336.

The previous prime is 442619. The next prime is 442633. The reversal of 442627 is 726244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442627 - 2³ = 442619 is a prime.

It is a super-2 number, since 2×442627² = 391837322258, which contains 22 as substring.

It is a Duffinian number.

442627 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (442027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7603 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (114480).

2⁴⁴²⁶²⁷ is an apocalyptic number.

442627 is a deficient number, since it is larger than the sum of its proper divisors (15293).

442627 is a wasteful number, since it uses less digits than its factorization.

442627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292.

The product of its digits is 2688, while the sum is 25.

The square root of 442627 is about 665.3021869797. The cubic root of 442627 is about 76.2101179952.

The spelling of 442627 in words is "four hundred forty-two thousand, six hundred twenty-seven".