424637 has 4 divisors (see below), whose sum is σ = 435036. Its totient is φ = 414240.

The previous prime is 424601. The next prime is 424639. The reversal of 424637 is 736424.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98596 + 326041 = 314^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 424637 - 2⁶ = 424573 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424639) 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 3 ways as a sum of consecutive naturals, for example, 5138 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (108759).

2⁴²⁴⁶³⁷ is an apocalyptic number.

It is an amenable number.

424637 is a deficient number, since it is larger than the sum of its proper divisors (10399).

424637 is a wasteful number, since it uses less digits than its factorization.

424637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10398.

The product of its digits is 4032, while the sum is 26.

The square root of 424637 is about 651.6417727556. The cubic root of 424637 is about 75.1633181782.

The spelling of 424637 in words is "four hundred twenty-four thousand, six hundred thirty-seven".