201389500 has 48 divisors (see below), whose sum is σ = 473683392. Its totient is φ = 74356800.

The previous prime is 201389459. The next prime is 201389509. The reversal of 201389500 is 5983102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201389509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8992 + ... + 21991.

It is an arithmetic number, because the mean of its divisors is an integer number (9868404).

Almost surely, 2^201389500 is an apocalyptic number.

201389500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201389500 is an abundant number, since it is smaller than the sum of its proper divisors (272293892).

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

201389500 is a wasteful number, since it uses less digits than its factorization.

201389500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31015 (or 31003 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 201389500 is about 14191.1768363304. The cubic root of 201389500 is about 586.1547308907.

The spelling of 201389500 in words is "two hundred one million, three hundred eighty-nine thousand, five hundred".