426599 has 4 divisors (see below), whose sum is σ = 428736. Its totient is φ = 424464.

The previous prime is 426583. The next prime is 426611. The reversal of 426599 is 995624.

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

It is a cyclic number.

It is not a de Polignac number, because 426599 - 2⁴ = 426583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 1179.

It is an arithmetic number, because the mean of its divisors is an integer number (107184).

2⁴²⁶⁵⁹⁹ is an apocalyptic number.

426599 is a deficient number, since it is larger than the sum of its proper divisors (2137).

426599 is a wasteful number, since it uses less digits than its factorization.

426599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its digits is 19440, while the sum is 35.

The square root of 426599 is about 653.1454661865. The cubic root of 426599 is about 75.2789023019.

The spelling of 426599 in words is "four hundred twenty-six thousand, five hundred ninety-nine".