190253894 has 4 divisors (see below), whose sum is σ = 285380844. Its totient is φ = 95126946.

The previous prime is 190253893. The next prime is 190253951. The reversal of 190253894 is 498352091.

190253894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498352091 = 241 ⋅2067851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190253893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47563472 + ... + 47563475.

It is an arithmetic number, because the mean of its divisors is an integer number (71345211).

Almost surely, 2^190253894 is an apocalyptic number.

190253894 is a deficient number, since it is larger than the sum of its proper divisors (95126950).

190253894 is an equidigital number, since it uses as much as digits as its factorization.

190253894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95126949.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 190253894 is about 13793.2553808012. The cubic root of 190253894 is about 575.1456659306.

The spelling of 190253894 in words is "one hundred ninety million, two hundred fifty-three thousand, eight hundred ninety-four".