426620338 has 16 divisors (see below), whose sum is σ = 713236320. Its totient is φ = 190195776.

The previous prime is 426620333. The next prime is 426620347. The reversal of 426620338 is 833026624.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (426620333) by changing a digit.

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, 329556 + ... + 330847.

It is an arithmetic number, because the mean of its divisors is an integer number (44577270).

Almost surely, 2^426620338 is an apocalyptic number.

426620338 is a deficient number, since it is larger than the sum of its proper divisors (286615982).

426620338 is a wasteful number, since it uses less digits than its factorization.

426620338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660441.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 426620338 is about 20654.7897108637. The cubic root of 426620338 is about 752.8015740282.

The spelling of 426620338 in words is "four hundred twenty-six million, six hundred twenty thousand, three hundred thirty-eight".