196508799 has 12 divisors (see below), whose sum is σ = 285753000. Its totient is φ = 130125744.

The previous prime is 196508791. The next prime is 196508801. The reversal of 196508799 is 997805691.

It is not a de Polignac number, because 196508799 - 2³ = 196508791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196508791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71929 + ... + 74610.

It is an arithmetic number, because the mean of its divisors is an integer number (23812750).

Almost surely, 2^196508799 is an apocalyptic number.

196508799 is a deficient number, since it is larger than the sum of its proper divisors (89244201).

196508799 is a wasteful number, since it uses less digits than its factorization.

196508799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146694 (or 146691 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 196508799 is about 14018.1596152990. The cubic root of 196508799 is about 581.3807758467.

The spelling of 196508799 in words is "one hundred ninety-six million, five hundred eight thousand, seven hundred ninety-nine".