190496393 has 4 divisors (see below), whose sum is σ = 190525188. Its totient is φ = 190467600.

The previous prime is 190496377. The next prime is 190496429. The reversal of 190496393 is 393694091.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 393694091 = 7 ⋅56242013.

It can be written as a sum of positive squares in 2 ways, for example, as 140256649 + 50239744 = 11843^2 + 7088^2 .

It is a cyclic number.

It is not a de Polignac number, because 190496393 - 2⁴ = 190496377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190496353) 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, 1055 + ... + 19547.

It is an arithmetic number, because the mean of its divisors is an integer number (47631297).

Almost surely, 2^190496393 is an apocalyptic number.

It is an amenable number.

190496393 is a deficient number, since it is larger than the sum of its proper divisors (28795).

190496393 is a wasteful number, since it uses less digits than its factorization.

190496393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28794.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 190496393 is about 13802.0430734004. The cubic root of 190496393 is about 575.3899238016.

The spelling of 190496393 in words is "one hundred ninety million, four hundred ninety-six thousand, three hundred ninety-three".