426234431 has 8 divisors (see below), whose sum is σ = 503922720. Its totient is φ = 352745568.

The previous prime is 426234409. The next prime is 426234437. The reversal of 426234431 is 134432624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426234431 - 2²² = 422040127 is a prime.

It is a super-2 number, since 2×426234431² = 363351580339787522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 426234394 and 426234403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426234437) 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, 1049636 + ... + 1050041.

It is an arithmetic number, because the mean of its divisors is an integer number (62990340).

Almost surely, 2^426234431 is an apocalyptic number.

426234431 is a deficient number, since it is larger than the sum of its proper divisors (77688289).

426234431 is a wasteful number, since it uses less digits than its factorization.

426234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099713.

The product of its digits is 13824, while the sum is 29.

The square root of 426234431 is about 20645.4457689826. The cubic root of 426234431 is about 752.5745188764.

The spelling of 426234431 in words is "four hundred twenty-six million, two hundred thirty-four thousand, four hundred thirty-one".