424706 has 4 divisors (see below), whose sum is σ = 637062. Its totient is φ = 212352.

The previous prime is 424693. The next prime is 424709. The reversal of 424706 is 607424.

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

It can be written as a sum of positive squares in only one way, i.e., 312481 + 112225 = 559^2 + 335^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424709) by changing a digit.

424706 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106175 + ... + 106178.

2⁴²⁴⁷⁰⁶ is an apocalyptic number.

424706 is a deficient number, since it is larger than the sum of its proper divisors (212356).

424706 is a wasteful number, since it uses less digits than its factorization.

424706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212355.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 424706 is about 651.6947138039. The cubic root of 424706 is about 75.1673890969.

The spelling of 424706 in words is "four hundred twenty-four thousand, seven hundred six".