201908 has 12 divisors (see below), whose sum is σ = 403872. Its totient is φ = 86520.

The previous prime is 201907. The next prime is 201911. The reversal of 201908 is 809102.

201908 is an admirable number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 201908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201907) 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, 3578 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (33656).

2²⁰¹⁹⁰⁸ is an apocalyptic number.

201908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

201908 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201908 is a wasteful number, since it uses less digits than its factorization.

201908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222 (or 7220 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 201908 is about 449.3417407720. The cubic root of 201908 is about 58.6657340302.

The spelling of 201908 in words is "two hundred one thousand, nine hundred eight".