426291867 has 12 divisors (see below), whose sum is σ = 642527184. Its totient is φ = 271838160.

The previous prime is 426291863. The next prime is 426291889. The reversal of 426291867 is 768192624.

It is a happy number.

426291867 is a `hidden beast` number, since 4 + 2 + 629 + 18 + 6 + 7 = 666.

It is not a de Polignac number, because 426291867 - 2² = 426291863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426291863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029484 + ... + 1029897.

It is an arithmetic number, because the mean of its divisors is an integer number (53543932).

Almost surely, 2^426291867 is an apocalyptic number.

426291867 is a deficient number, since it is larger than the sum of its proper divisors (216235317).

426291867 is a wasteful number, since it uses less digits than its factorization.

426291867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059410 (or 2059407 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 426291867 is about 20646.8367310830. The cubic root of 426291867 is about 752.6083210328.

The spelling of 426291867 in words is "four hundred twenty-six million, two hundred ninety-one thousand, eight hundred sixty-seven".