201174889 has 16 divisors (see below), whose sum is σ = 217486080. Its totient is φ = 185391360.

The previous prime is 201174887. The next prime is 201174893. The reversal of 201174889 is 988471102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201174889 - 2¹ = 201174887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201174881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434272 + ... + 434734.

It is an arithmetic number, because the mean of its divisors is an integer number (13592880).

Almost surely, 2^201174889 is an apocalyptic number.

It is an amenable number.

201174889 is a deficient number, since it is larger than the sum of its proper divisors (16311191).

201174889 is a wasteful number, since it uses less digits than its factorization.

201174889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 201174889 is about 14183.6133971566. The cubic root of 201174889 is about 585.9464446857.

The spelling of 201174889 in words is "two hundred one million, one hundred seventy-four thousand, eight hundred eighty-nine".