190794242 has 8 divisors (see below), whose sum is σ = 286269132. Its totient is φ = 95371200.

The previous prime is 190794239. The next prime is 190794287. The reversal of 190794242 is 242497091.

It can be written as a sum of positive squares in 2 ways, for example, as 190136521 + 657721 = 13789^2 + 811^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 190794196 and 190794205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859 + ... + 19622.

Almost surely, 2^190794242 is an apocalyptic number.

190794242 is a deficient number, since it is larger than the sum of its proper divisors (95474890).

190794242 is a wasteful number, since it uses less digits than its factorization.

190794242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25924.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 190794242 is about 13812.8288920119. The cubic root of 190794242 is about 575.6896496366.

The spelling of 190794242 in words is "one hundred ninety million, seven hundred ninety-four thousand, two hundred forty-two".