426538 has 8 divisors (see below), whose sum is σ = 731232. Its totient is φ = 182796.

The previous prime is 426527. The next prime is 426541. The reversal of 426538 is 835624.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15220 + ... + 15247.

It is an arithmetic number, because the mean of its divisors is an integer number (91404).

2⁴²⁶⁵³⁸ is an apocalyptic number.

426538 is a deficient number, since it is larger than the sum of its proper divisors (304694).

426538 is a wasteful number, since it uses less digits than its factorization.

426538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30476.

The product of its digits is 5760, while the sum is 28.

The square root of 426538 is about 653.0987674158. The cubic root of 426538 is about 75.2753140516.

The spelling of 426538 in words is "four hundred twenty-six thousand, five hundred thirty-eight".