426795809 has 8 divisors (see below), whose sum is σ = 465773952. Its totient is φ = 387847440.

The previous prime is 426795791. The next prime is 426795821. The reversal of 426795809 is 908597624.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426795809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426795869) 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, 31352 + ... + 42854.

It is an arithmetic number, because the mean of its divisors is an integer number (58221744).

Almost surely, 2^426795809 is an apocalyptic number.

It is an amenable number.

426795809 is a deficient number, since it is larger than the sum of its proper divisors (38978143).

426795809 is a wasteful number, since it uses less digits than its factorization.

426795809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14887.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 426795809 is about 20659.0369814278. The cubic root of 426795809 is about 752.9047701857.

The spelling of 426795809 in words is "four hundred twenty-six million, seven hundred ninety-five thousand, eight hundred nine".