190336993 has 32 divisors (see below), whose sum is σ = 247357440. Its totient is φ = 143312400.

The previous prime is 190336973. The next prime is 190337053. The reversal of 190336993 is 399633091.

It is a de Polignac number, because none of the positive numbers 2^k-190336993 is a prime.

It is a super-3 number, since 3×190336993³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (190336903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288498 + ... + 289156.

It is an arithmetic number, because the mean of its divisors is an integer number (7729920).

Almost surely, 2^190336993 is an apocalyptic number.

It is an amenable number.

190336993 is a deficient number, since it is larger than the sum of its proper divisors (57020447).

190336993 is an equidigital number, since it uses as much as digits as its factorization.

190336993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 43.

The square root of 190336993 is about 13796.2673575138. The cubic root of 190336993 is about 575.2293910201.

The spelling of 190336993 in words is "one hundred ninety million, three hundred thirty-six thousand, nine hundred ninety-three".