200916 has 18 divisors (see below), whose sum is σ = 507962. Its totient is φ = 66960.

The previous prime is 200909. The next prime is 200927. The reversal of 200916 is 619002.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 44100 = 396^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

200916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 2755 + ... + 2826.

2²⁰⁰⁹¹⁶ is an apocalyptic number.

It is an amenable number.

200916 is an abundant number, since it is smaller than the sum of its proper divisors (307046).

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

200916 is a wasteful number, since it uses less digits than its factorization.

200916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5586 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 200916 is about 448.2365446949. The cubic root of 200916 is about 58.5694988175.

Adding to 200916 its reverse (619002), we get a palindrome (819918).

It can be divided in two parts, 2009 and 16, that added together give a square (2025 = 45²).

The spelling of 200916 in words is "two hundred thousand, nine hundred sixteen".