200939928 has 96 divisors (see below), whose sum is σ = 584482560. Its totient is φ = 56390400.

The previous prime is 200939887. The next prime is 200939971. The reversal of 200939928 is 829939002.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 200939928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1330653 + ... + 1330803.

It is an arithmetic number, because the mean of its divisors is an integer number (6088360).

Almost surely, 2^200939928 is an apocalyptic number.

200939928 is a gapful number since it is divisible by the number (28) 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 200939928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292241280).

200939928 is an abundant number, since it is smaller than the sum of its proper divisors (383542632).

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

200939928 is a wasteful number, since it uses less digits than its factorization.

200939928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 200939928 is about 14175.3281443500. The cubic root of 200939928 is about 585.7182382782.

The spelling of 200939928 in words is "two hundred million, nine hundred thirty-nine thousand, nine hundred twenty-eight".