190789748 has 12 divisors (see below), whose sum is σ = 344652672. Its totient is φ = 92317560.

The previous prime is 190789741. The next prime is 190789751. The reversal of 190789748 is 847987091.

It is a self number, because there is not a number n which added to its sum of digits gives 190789748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190789741) 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, 769190 + ... + 769437.

It is an arithmetic number, because the mean of its divisors is an integer number (28721056).

Almost surely, 2^190789748 is an apocalyptic number.

It is an amenable number.

190789748 is a deficient number, since it is larger than the sum of its proper divisors (153862924).

190789748 is a wasteful number, since it uses less digits than its factorization.

190789748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538662 (or 1538660 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 190789748 is about 13812.6662161945. Note that the first 3 decimals coincide. The cubic root of 190789748 is about 575.6851296372.

The spelling of 190789748 in words is "one hundred ninety million, seven hundred eighty-nine thousand, seven hundred forty-eight".