426128706 has 12 divisors (see below), whose sum is σ = 923278902. Its totient is φ = 142042896.

The previous prime is 426128701. The next prime is 426128711. The reversal of 426128706 is 607821624.

It is an interprime number because it is at equal distance from previous prime (426128701) and next prime (426128711).

It can be written as a sum of positive squares in only one way, i.e., 297873081 + 128255625 = 17259^2 + 11325^2 .

It is not an unprimeable number, because it can be changed into a prime (426128701) 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 5 ways as a sum of consecutive naturals, for example, 11836891 + ... + 11836926.

Almost surely, 2^426128706 is an apocalyptic number.

426128706 is an abundant number, since it is smaller than the sum of its proper divisors (497150196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426128706 is a wasteful number, since it uses less digits than its factorization.

426128706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23673825 (or 23673822 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 426128706 is about 20642.8851181224. The cubic root of 426128706 is about 752.5122898034.

The spelling of 426128706 in words is "four hundred twenty-six million, one hundred twenty-eight thousand, seven hundred six".