16889800 has 24 divisors (see below), whose sum is σ = 39269250. Its totient is φ = 6755840.

The previous prime is 16889731. The next prime is 16889809. The reversal of 16889800 is 898861.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8398404 + 8491396 = 2898^2 + 2914^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (16889809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42025 + ... + 42424.

Almost surely, 2^16889800 is an apocalyptic number.

16889800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16889800 is an abundant number, since it is smaller than the sum of its proper divisors (22379450).

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

16889800 is a wasteful number, since it uses less digits than its factorization.

16889800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84465 (or 84456 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 16889800 is about 4109.7201851221. The cubic root of 16889800 is about 256.5713557023.

It can be divided in two parts, 16889 and 800, that added together give a square (17689 = 133²).

The spelling of 16889800 in words is "sixteen million, eight hundred eighty-nine thousand, eight hundred".