426587 has 8 divisors (see below), whose sum is σ = 492000. Its totient is φ = 362304.

The previous prime is 426583. The next prime is 426611. The reversal of 426587 is 785624.

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

It is a cyclic number.

It is not a de Polignac number, because 426587 - 2² = 426583 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 426587.

It is not an unprimeable number, because it can be changed into a prime (426583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (61500).

2⁴²⁶⁵⁸⁷ is an apocalyptic number.

426587 is a deficient number, since it is larger than the sum of its proper divisors (65413).

426587 is a wasteful number, since it uses less digits than its factorization.

426587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 13440, while the sum is 32.

The square root of 426587 is about 653.1362798069. The cubic root of 426587 is about 75.2781964436.

The spelling of 426587 in words is "four hundred twenty-six thousand, five hundred eighty-seven".