193240768 has 56 divisors (see below), whose sum is σ = 464039712. Its totient is φ = 77942784.

The previous prime is 193240757. The next prime is 193240777. The reversal of 193240768 is 867042391.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 193240768.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071 + ... + 20302.

Almost surely, 2^193240768 is an apocalyptic number.

It is an amenable number.

193240768 is an abundant number, since it is smaller than the sum of its proper divisors (270798944).

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

193240768 is a wasteful number, since it uses less digits than its factorization.

193240768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409 (or 25399 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 193240768 is about 13901.1067185314. The cubic root of 193240768 is about 578.1398670947.

The spelling of 193240768 in words is "one hundred ninety-three million, two hundred forty thousand, seven hundred sixty-eight".