16885000 has 80 divisors (see below), whose sum is σ = 43298640. Its totient is φ = 6120000.

The previous prime is 16884997. The next prime is 16885003. The reversal of 16885000 is 58861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16884997) and next prime (16885003).

It is a self number, because there is not a number n which added to its sum of digits gives 16885000.

It is not an unprimeable number, because it can be changed into a prime (16885003) 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 19 ways as a sum of consecutive naturals, for example, 54847 + ... + 55153.

It is an arithmetic number, because the mean of its divisors is an integer number (541233).

Almost surely, 2^16885000 is an apocalyptic number.

16885000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16885000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21649320).

16885000 is an abundant number, since it is smaller than the sum of its proper divisors (26413640).

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

16885000 is a wasteful number, since it uses less digits than its factorization.

16885000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 16885000 is about 4109.1361622609. The cubic root of 16885000 is about 256.5470479507.

The spelling of 16885000 in words is "sixteen million, eight hundred eighty-five thousand".