424442 has 8 divisors (see below), whose sum is σ = 664416. Its totient is φ = 202972.

The previous prime is 424433. The next prime is 424451. The reversal of 424442 is 244424.

It is an interprime number because it is at equal distance from previous prime (424433) and next prime (424451).

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

It is a super-2 number, since 2×424442² = 360302022728, which contains 22 as substring.

It is an unprimeable number.

424442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4568 + ... + 4659.

It is an arithmetic number, because the mean of its divisors is an integer number (83052).

2⁴²⁴⁴⁴² is an apocalyptic number.

424442 is a deficient number, since it is larger than the sum of its proper divisors (239974).

424442 is a wasteful number, since it uses less digits than its factorization.

424442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9252.

The product of its digits is 1024, while the sum is 20.

The square root of 424442 is about 651.4921334905. The cubic root of 424442 is about 75.1518110234.

Adding to 424442 its reverse (244424), we get a palindrome (668866).

The spelling of 424442 in words is "four hundred twenty-four thousand, four hundred forty-two", and thus it is an iban number.