183968 has 12 divisors (see below), whose sum is σ = 362250. Its totient is φ = 91968.

The previous prime is 183959. The next prime is 183971. The reversal of 183968 is 869381.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 784 = 428^2 + 28^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

183968 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 as a sum of consecutive naturals, namely, 2843 + ... + 2906.

2¹⁸³⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

183968 is a deficient number, since it is larger than the sum of its proper divisors (178282).

183968 is an equidigital number, since it uses as much as digits as its factorization.

183968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5759 (or 5751 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 183968 is about 428.9149099763. The cubic root of 183968 is about 56.8740421688.

The spelling of 183968 in words is "one hundred eighty-three thousand, nine hundred sixty-eight".