200391930 has 48 divisors (see below), whose sum is σ = 521763840. Its totient is φ = 53361504.

The previous prime is 200391929. The next prime is 200391931. The reversal of 200391930 is 39193002.

200391930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200391929) and next prime (200391931).

It is a junction number, because it is equal to n+sod(n) for n = 200391894 and 200391903.

It is not an unprimeable number, because it can be changed into a prime (200391931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92439 + ... + 94581.

It is an arithmetic number, because the mean of its divisors is an integer number (10870080).

Almost surely, 2^200391930 is an apocalyptic number.

200391930 is an abundant number, since it is smaller than the sum of its proper divisors (321371910).

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

200391930 is a wasteful number, since it uses less digits than its factorization.

200391930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 200391930 is about 14155.9856597836. The cubic root of 200391930 is about 585.1853018069.

The spelling of 200391930 in words is "two hundred million, three hundred ninety-one thousand, nine hundred thirty".