426863427 has 8 divisors (see below), whose sum is σ = 569270016. Its totient is φ = 284516232.

The previous prime is 426863419. The next prime is 426863449. The reversal of 426863427 is 724368624.

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

It is not a de Polignac number, because 426863427 - 2³ = 426863419 is a prime.

It is a super-3 number, since 3×426863427³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (426863467) 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, 6178 + ... + 29864.

It is an arithmetic number, because the mean of its divisors is an integer number (71158752).

Almost surely, 2^426863427 is an apocalyptic number.

426863427 is a deficient number, since it is larger than the sum of its proper divisors (142406589).

426863427 is a wasteful number, since it uses less digits than its factorization.

426863427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29697.

The product of its digits is 387072, while the sum is 42.

The square root of 426863427 is about 20660.6734401374. The cubic root of 426863427 is about 752.9445294221.

The spelling of 426863427 in words is "four hundred twenty-six million, eight hundred sixty-three thousand, four hundred twenty-seven".