201968 has 20 divisors (see below), whose sum is σ = 421848. Its totient is φ = 93120.

The previous prime is 201961. The next prime is 201973. The reversal of 201968 is 869102.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201961) by changing a digit.

201968 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 693.

2²⁰¹⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

201968 is an abundant number, since it is smaller than the sum of its proper divisors (219880).

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

201968 is a wasteful number, since it uses less digits than its factorization.

201968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 201968 is about 449.4085001421. The cubic root of 201968 is about 58.6715445898.

The spelling of 201968 in words is "two hundred one thousand, nine hundred sixty-eight".