424427 has 4 divisors (see below), whose sum is σ = 435936. Its totient is φ = 412920.

The previous prime is 424423. The next prime is 424429. The reversal of 424427 is 724424.

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

It is not a de Polignac number, because 424427 - 2² = 424423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424423) by changing a digit.

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, 5699 + ... + 5772.

It is an arithmetic number, because the mean of its divisors is an integer number (108984).

2⁴²⁴⁴²⁷ is an apocalyptic number.

424427 is a deficient number, since it is larger than the sum of its proper divisors (11509).

424427 is a wasteful number, since it uses less digits than its factorization.

424427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11508.

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

The square root of 424427 is about 651.4806213542. The cubic root of 424427 is about 75.1509257116.

The spelling of 424427 in words is "four hundred twenty-four thousand, four hundred twenty-seven", and thus it is an iban number.