319428338 has 16 divisors (see below), whose sum is σ = 495059136. Its totient is φ = 154481040.

The previous prime is 319428337. The next prime is 319428341. The reversal of 319428338 is 833824913.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 319428295 and 319428304.

It is not an unprimeable number, because it can be changed into a prime (319428337) 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 7 ways as a sum of consecutive naturals, for example, 9173 + ... + 26888.

It is an arithmetic number, because the mean of its divisors is an integer number (30941196).

Almost surely, 2^319428338 is an apocalyptic number.

319428338 is a deficient number, since it is larger than the sum of its proper divisors (175630798).

319428338 is a wasteful number, since it uses less digits than its factorization.

319428338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36209.

The product of its digits is 124416, while the sum is 41.

The square root of 319428338 is about 17872.5582388196. The cubic root of 319428338 is about 683.5828324424.

The spelling of 319428338 in words is "three hundred nineteen million, four hundred twenty-eight thousand, three hundred thirty-eight".