201728304 has 30 divisors (see below), whose sum is σ = 564559476. Its totient is φ = 67242720.

The previous prime is 201728291. The next prime is 201728333. The reversal of 201728304 is 403827102.

201728304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 700302 + ... + 700589.

Almost surely, 2^201728304 is an apocalyptic number.

201728304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201728304 is an abundant number, since it is smaller than the sum of its proper divisors (362831172).

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

201728304 is a wasteful number, since it uses less digits than its factorization.

201728304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400905 (or 1400896 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 201728304 is about 14203.1089554365. The cubic root of 201728304 is about 586.4832490206.

The spelling of 201728304 in words is "two hundred one million, seven hundred twenty-eight thousand, three hundred four".