426889229 has 8 divisors (see below), whose sum is σ = 460007352. Its totient is φ = 393811200.

The previous prime is 426889213. The next prime is 426889237. The reversal of 426889229 is 922988624.

It can be written as a sum of positive squares in 4 ways, for example, as 1416100 + 425473129 = 1190^2 + 20627^2 .

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 426889229 - 2⁴ = 426889213 is a prime.

It is a super-3 number, since 3×426889229³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426889259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14297 + ... + 32529.

It is an arithmetic number, because the mean of its divisors is an integer number (57500919).

Almost surely, 2^426889229 is an apocalyptic number.

It is an amenable number.

426889229 is a deficient number, since it is larger than the sum of its proper divisors (33118123).

426889229 is a wasteful number, since it uses less digits than its factorization.

426889229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20047.

The product of its digits is 995328, while the sum is 50.

The square root of 426889229 is about 20661.2978537167. The cubic root of 426889229 is about 752.9596998350.

The spelling of 426889229 in words is "four hundred twenty-six million, eight hundred eighty-nine thousand, two hundred twenty-nine".