200491100 has 18 divisors (see below), whose sum is σ = 435065904. Its totient is φ = 80196400.

The previous prime is 200491063. The next prime is 200491111. The reversal of 200491100 is 1194002.

It is a happy number.

200491100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002356 + ... + 1002555.

It is an arithmetic number, because the mean of its divisors is an integer number (24170328).

Almost surely, 2^200491100 is an apocalyptic number.

200491100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200491100 is an abundant number, since it is smaller than the sum of its proper divisors (234574804).

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

200491100 is a wasteful number, since it uses less digits than its factorization.

200491100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004925 (or 2004918 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 200491100 is about 14159.4879850932. The cubic root of 200491100 is about 585.2818180953.

The spelling of 200491100 in words is "two hundred million, four hundred ninety-one thousand, one hundred".