190680399 has 48 divisors (see below), whose sum is σ = 351583232. Its totient is φ = 100567008.

The previous prime is 190680383. The next prime is 190680401. The reversal of 190680399 is 993086091.

It is not a de Polignac number, because 190680399 - 2⁴ = 190680383 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190680359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17802 + ... + 26424.

Almost surely, 2^190680399 is an apocalyptic number.

190680399 is a deficient number, since it is larger than the sum of its proper divisors (160902833).

190680399 is an equidigital number, since it uses as much as digits as its factorization.

190680399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8658 (or 8646 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 190680399 is about 13808.7073616613. The cubic root of 190680399 is about 575.5751261312.

The spelling of 190680399 in words is "one hundred ninety million, six hundred eighty thousand, three hundred ninety-nine".