427442 has 4 divisors (see below), whose sum is σ = 641166. Its totient is φ = 213720.

The previous prime is 427439. The next prime is 427447. The reversal of 427442 is 244724.

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

It can be written as a sum of positive squares in only one way, i.e., 421201 + 6241 = 649^2 + 79^2 .

It is not an unprimeable number, because it can be changed into a prime (427447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106859 + ... + 106862.

2⁴²⁷⁴⁴² is an apocalyptic number.

427442 is a deficient number, since it is larger than the sum of its proper divisors (213724).

427442 is a wasteful number, since it uses less digits than its factorization.

427442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213723.

The product of its digits is 1792, while the sum is 23.

The square root of 427442 is about 653.7904863181. The cubic root of 427442 is about 75.3284557540.

The spelling of 427442 in words is "four hundred twenty-seven thousand, four hundred forty-two", and thus it is an iban number.