201904893 has 20 divisors (see below), whose sum is σ = 309767260. Its totient is φ = 130963392.

The previous prime is 201904889. The next prime is 201904907. The reversal of 201904893 is 398409102.

201904893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71876484 + 130028409 = 8478^2 + 11403^2 .

It is not a de Polignac number, because 201904893 - 2² = 201904889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201904853) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30688 + ... + 36681.

It is an arithmetic number, because the mean of its divisors is an integer number (15488363).

Almost surely, 2^201904893 is an apocalyptic number.

It is an amenable number.

201904893 is a deficient number, since it is larger than the sum of its proper divisors (107862367).

201904893 is an equidigital number, since it uses as much as digits as its factorization.

201904893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67418 (or 67409 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 201904893 is about 14209.3241570456. The cubic root of 201904893 is about 586.6543310868.

The spelling of 201904893 in words is "two hundred one million, nine hundred four thousand, eight hundred ninety-three".