201941889 has 8 divisors (see below), whose sum is σ = 275517792. Its totient is φ = 131496960.

The previous prime is 201941869. The next prime is 201941891. The reversal of 201941889 is 988149102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201941889 - 2¹² = 201937793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201941889.

It is not an unprimeable number, because it can be changed into a prime (201941809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782592 + ... + 782849.

It is an arithmetic number, because the mean of its divisors is an integer number (34439724).

Almost surely, 2^201941889 is an apocalyptic number.

It is an amenable number.

201941889 is a deficient number, since it is larger than the sum of its proper divisors (73575903).

201941889 is a wasteful number, since it uses less digits than its factorization.

201941889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565487.

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 201941889 is about 14210.6259186568. The cubic root of 201941889 is about 586.6901607255.

The spelling of 201941889 in words is "two hundred one million, nine hundred forty-one thousand, eight hundred eighty-nine".