426368398 has 16 divisors (see below), whose sum is σ = 712815120. Its totient is φ = 190083456.

The previous prime is 426368377. The next prime is 426368401. The reversal of 426368398 is 893863624.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329361 + ... + 330652.

It is an arithmetic number, because the mean of its divisors is an integer number (44550945).

Almost surely, 2^426368398 is an apocalyptic number.

426368398 is a deficient number, since it is larger than the sum of its proper divisors (286446722).

426368398 is a wasteful number, since it uses less digits than its factorization.

426368398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660051.

The product of its digits is 1492992, while the sum is 49.

The square root of 426368398 is about 20648.6899826599. The cubic root of 426368398 is about 752.6533562347.

The spelling of 426368398 in words is "four hundred twenty-six million, three hundred sixty-eight thousand, three hundred ninety-eight".