426271607 has 4 divisors (see below), whose sum is σ = 440022336. Its totient is φ = 412520880.

The previous prime is 426271603. The next prime is 426271639. The reversal of 426271607 is 706172624.

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 426271607 - 2² = 426271603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426271603) 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, 6875318 + ... + 6875379.

It is an arithmetic number, because the mean of its divisors is an integer number (110005584).

Almost surely, 2^426271607 is an apocalyptic number.

426271607 is a deficient number, since it is larger than the sum of its proper divisors (13750729).

426271607 is a wasteful number, since it uses less digits than its factorization.

426271607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750728.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 426271607 is about 20646.3460931953. The cubic root of 426271607 is about 752.5963979919.

The spelling of 426271607 in words is "four hundred twenty-six million, two hundred seventy-one thousand, six hundred seven".