190253793 has 8 divisors (see below), whose sum is σ = 253747008. Its totient is φ = 126798224.

The previous prime is 190253771. The next prime is 190253797. The reversal of 190253793 is 397352091.

190253793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190253793 - 2⁸ = 190253537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190253797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5980 + ... + 20402.

It is an arithmetic number, because the mean of its divisors is an integer number (31718376).

Almost surely, 2^190253793 is an apocalyptic number.

It is an amenable number.

190253793 is a deficient number, since it is larger than the sum of its proper divisors (63493215).

190253793 is a wasteful number, since it uses less digits than its factorization.

190253793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18823.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 190253793 is about 13793.2517195910. The cubic root of 190253793 is about 575.1455641548.

The spelling of 190253793 in words is "one hundred ninety million, two hundred fifty-three thousand, seven hundred ninety-three".