16819338 has 32 divisors (see below), whose sum is σ = 34572096. Its totient is φ = 5452928.

The previous prime is 16819331. The next prime is 16819339. The reversal of 16819338 is 83391861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16819296 and 16819305.

It is not an unprimeable number, because it can be changed into a prime (16819331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72070 + ... + 72302.

It is an arithmetic number, because the mean of its divisors is an integer number (1080378).

Almost surely, 2^16819338 is an apocalyptic number.

16819338 is an abundant number, since it is smaller than the sum of its proper divisors (17752758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16819338 is a wasteful number, since it uses less digits than its factorization.

16819338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its digits is 31104, while the sum is 39.

The square root of 16819338 is about 4101.1386223828. The cubic root of 16819338 is about 256.2140645226.

The spelling of 16819338 in words is "sixteen million, eight hundred nineteen thousand, three hundred thirty-eight".