16885338 has 32 divisors (see below), whose sum is σ = 36052800. Its totient is φ = 5256576.

The previous prime is 16885331. The next prime is 16885373. The reversal of 16885338 is 83358861.

It is a super-2 number, since 2×16885338² = 570229278748488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16885338.

It is not an unprimeable number, because it can be changed into a prime (16885331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7308 + ... + 9336.

It is an arithmetic number, because the mean of its divisors is an integer number (1126650).

Almost surely, 2^16885338 is an apocalyptic number.

16885338 is an abundant number, since it is smaller than the sum of its proper divisors (19167462).

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

16885338 is a wasteful number, since it uses less digits than its factorization.

16885338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126.

The product of its digits is 138240, while the sum is 42.

The square root of 16885338 is about 4109.1772899207. The cubic root of 16885338 is about 256.5487597723.

The spelling of 16885338 in words is "sixteen million, eight hundred eighty-five thousand, three hundred thirty-eight".