201894 has 64 divisors (see below), whose sum is σ = 552960. Its totient is φ = 47520.

The previous prime is 201893. The next prime is 201907. The reversal of 201894 is 498102.

201894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201894² = 81522374472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8767 + ... + 8789.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2²⁰¹⁸⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276480).

201894 is an abundant number, since it is smaller than the sum of its proper divisors (351066).

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

201894 is a wasteful number, since it uses less digits than its factorization.

201894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 201894 is about 449.3261621584. The cubic root of 201894 is about 58.6643780673.

Adding to 201894 its reverse (498102), we get a palindrome (699996).

It can be divided in two parts, 2018 and 94, that added together give a palindrome (2112).

The spelling of 201894 in words is "two hundred one thousand, eight hundred ninety-four".