426430667 has 4 divisors (see below), whose sum is σ = 459233040. Its totient is φ = 393628296.

The previous prime is 426430651. The next prime is 426430673. The reversal of 426430667 is 766034624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426430667 - 2⁴ = 426430651 is a prime.

It is a super-2 number, since 2×426430667² = 363686227516129778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426430667.

It is not an unprimeable number, because it can be changed into a prime (426430267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16401167 + ... + 16401192.

It is an arithmetic number, because the mean of its divisors is an integer number (114808260).

Almost surely, 2^426430667 is an apocalyptic number.

426430667 is a deficient number, since it is larger than the sum of its proper divisors (32802373).

426430667 is a wasteful number, since it uses less digits than its factorization.

426430667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32802372.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 426430667 is about 20650.1977472372. The cubic root of 426430667 is about 752.6899948870.

The spelling of 426430667 in words is "four hundred twenty-six million, four hundred thirty thousand, six hundred sixty-seven".