424642 has 8 divisors (see below), whose sum is σ = 640332. Its totient is φ = 211200.

The previous prime is 424639. The next prime is 424661. The reversal of 424642 is 246424.

It can be written as a sum of positive squares in 2 ways, for example, as 423801 + 841 = 651^2 + 29^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42 + ... + 922.

2⁴²⁴⁶⁴² is an apocalyptic number.

424642 is a deficient number, since it is larger than the sum of its proper divisors (215690).

424642 is a wasteful number, since it uses less digits than its factorization.

424642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its digits is 1536, while the sum is 22.

The square root of 424642 is about 651.6456092079. The cubic root of 424642 is about 75.1636131872.

The spelling of 424642 in words is "four hundred twenty-four thousand, six hundred forty-two".