190923242 has 12 divisors (see below), whose sum is σ = 287755650. Its totient is φ = 95006088.

The previous prime is 190923241. The next prime is 190923247. The reversal of 190923242 is 242329091.

190923242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144696841 + 46226401 = 12029^2 + 6799^2 .

It is a super-3 number, since 3×190923242³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190923199 and 190923208.

It is not an unprimeable number, because it can be changed into a prime (190923241) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 364793 + ... + 365315.

Almost surely, 2^190923242 is an apocalyptic number.

190923242 is a deficient number, since it is larger than the sum of its proper divisors (96832408).

190923242 is an frugal number, since it uses more digits than its factorization.

190923242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 190923242 is about 13817.4976750496. The cubic root of 190923242 is about 575.8193657000.

The spelling of 190923242 in words is "one hundred ninety million, nine hundred twenty-three thousand, two hundred forty-two".