426644871 has 16 divisors (see below), whose sum is σ = 603659520. Its totient is φ = 267449600.

The previous prime is 426644863. The next prime is 426644879. The reversal of 426644871 is 178446624.

It is an interprime number because it is at equal distance from previous prime (426644863) and next prime (426644879).

It is a cyclic number.

It is not a de Polignac number, because 426644871 - 2³ = 426644863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426644879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48330 + ... + 56471.

It is an arithmetic number, because the mean of its divisors is an integer number (37728720).

Almost surely, 2^426644871 is an apocalyptic number.

426644871 is a deficient number, since it is larger than the sum of its proper divisors (177014649).

426644871 is a wasteful number, since it uses less digits than its factorization.

426644871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104886.

The product of its digits is 258048, while the sum is 42.

The square root of 426644871 is about 20655.3835839473. The cubic root of 426644871 is about 752.8160038193.

The spelling of 426644871 in words is "four hundred twenty-six million, six hundred forty-four thousand, eight hundred seventy-one".