420833338 has 12 divisors (see below), whose sum is σ = 648776142. Its totient is φ = 204728400.

The previous prime is 420833333. The next prime is 420833341. The reversal of 420833338 is 833338024.

It can be written as a sum of positive squares in 3 ways, for example, as 391921209 + 28912129 = 19797^2 + 5377^2 .

It is not an unprimeable number, because it can be changed into a prime (420833333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74113 + ... + 79588.

Almost surely, 2^420833338 is an apocalyptic number.

420833338 is a deficient number, since it is larger than the sum of its proper divisors (227942804).

420833338 is a wasteful number, since it uses less digits than its factorization.

420833338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153777 (or 153740 counting only the distinct ones).

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

The square root of 420833338 is about 20514.2228222275. Note that the first 3 decimals coincide. The cubic root of 420833338 is about 749.3822100687.

The spelling of 420833338 in words is "four hundred twenty million, eight hundred thirty-three thousand, three hundred thirty-eight".