426319886 has 16 divisors (see below), whose sum is σ = 661212720. Its totient is φ = 206013120.

The previous prime is 426319877. The next prime is 426319913. The reversal of 426319886 is 688913624.

It is a self number, because there is not a number n which added to its sum of digits gives 426319886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15521 + ... + 33068.

It is an arithmetic number, because the mean of its divisors is an integer number (41325795).

Almost surely, 2^426319886 is an apocalyptic number.

426319886 is a deficient number, since it is larger than the sum of its proper divisors (234892834).

426319886 is a wasteful number, since it uses less digits than its factorization.

426319886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48739.

The product of its digits is 497664, while the sum is 47.

The square root of 426319886 is about 20647.5152500246. The cubic root of 426319886 is about 752.6248096346.

The spelling of 426319886 in words is "four hundred twenty-six million, three hundred nineteen thousand, eight hundred eighty-six".