424407 has 8 divisors (see below), whose sum is σ = 569584. Its totient is φ = 281088.

The previous prime is 424397. The next prime is 424423. The reversal of 424407 is 704424.

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

It is not a de Polignac number, because 424407 - 2⁶ = 424343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424007) 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 7 ways as a sum of consecutive naturals, for example, 213 + ... + 945.

It is an arithmetic number, because the mean of its divisors is an integer number (71198).

2⁴²⁴⁴⁰⁷ is an apocalyptic number.

424407 is a deficient number, since it is larger than the sum of its proper divisors (145177).

424407 is a wasteful number, since it uses less digits than its factorization.

424407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 424407 is about 651.4652715226. The cubic root of 424407 is about 75.1497452635.

The spelling of 424407 in words is "four hundred twenty-four thousand, four hundred seven", and thus it is an iban number.