201193728 has 36 divisors (see below), whose sum is σ = 535470768. Its totient is φ = 67064320.

The previous prime is 201193721. The next prime is 201193739. The reversal of 201193728 is 827391102.

It is not an unprimeable number, because it can be changed into a prime (201193721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130218 + ... + 131753.

It is an arithmetic number, because the mean of its divisors is an integer number (14874188).

Almost surely, 2^201193728 is an apocalyptic number.

It is an amenable number.

201193728 is an abundant number, since it is smaller than the sum of its proper divisors (334277040).

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

201193728 is an equidigital number, since it uses as much as digits as its factorization.

201193728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261990 (or 261976 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 201193728 is about 14184.2774930555. The cubic root of 201193728 is about 585.9647344113.

The spelling of 201193728 in words is "two hundred one million, one hundred ninety-three thousand, seven hundred twenty-eight".