424605 has 8 divisors (see below), whose sum is σ = 679392. Its totient is φ = 226448.

The previous prime is 424601. The next prime is 424639. The reversal of 424605 is 506424.

424605 = 145² + 146² + ... + 162².

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 424605 - 2² = 424601 is a prime.

424605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14139 + ... + 14168.

It is an arithmetic number, because the mean of its divisors is an integer number (84924).

2⁴²⁴⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

424605 is a deficient number, since it is larger than the sum of its proper divisors (254787).

424605 is a wasteful number, since it uses less digits than its factorization.

424605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28315.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 424605 is about 651.6172189253. The cubic root of 424605 is about 75.1614300663.

The spelling of 424605 in words is "four hundred twenty-four thousand, six hundred five".