424726 has 8 divisors (see below), whose sum is σ = 670680. Its totient is φ = 201168.

The previous prime is 424709. The next prime is 424727. The reversal of 424726 is 627424.

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

It is a self number, because there is not a number n which added to its sum of digits gives 424726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424727) by changing a digit.

424726 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551 + ... + 5626.

It is an arithmetic number, because the mean of its divisors is an integer number (83835).

2⁴²⁴⁷²⁶ is an apocalyptic number.

424726 is a deficient number, since it is larger than the sum of its proper divisors (245954).

424726 is a wasteful number, since it uses less digits than its factorization.

424726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11198.

The product of its digits is 2688, while the sum is 25.

The square root of 424726 is about 651.7100582314. The cubic root of 424726 is about 75.1685689909.

The spelling of 424726 in words is "four hundred twenty-four thousand, seven hundred twenty-six".