426809089 has 8 divisors (see below), whose sum is σ = 516475008. Its totient is φ = 344316480.

The previous prime is 426809069. The next prime is 426809093. The reversal of 426809089 is 980908624.

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-426809089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426809029) 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, 1793197 + ... + 1793434.

It is an arithmetic number, because the mean of its divisors is an integer number (64559376).

Almost surely, 2^426809089 is an apocalyptic number.

It is an amenable number.

426809089 is a deficient number, since it is larger than the sum of its proper divisors (89665919).

426809089 is a wasteful number, since it uses less digits than its factorization.

426809089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586655.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 426809089 is about 20659.3583879074. The cubic root of 426809089 is about 752.9125791281.

The spelling of 426809089 in words is "four hundred twenty-six million, eight hundred nine thousand, eighty-nine".