190234238 has 4 divisors (see below), whose sum is σ = 285351360. Its totient is φ = 95117118.

The previous prime is 190234237. The next prime is 190234241. The reversal of 190234238 is 832432091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832432091 = 13297 ⋅62603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190234237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47558558 + ... + 47558561.

It is an arithmetic number, because the mean of its divisors is an integer number (71337840).

Almost surely, 2^190234238 is an apocalyptic number.

190234238 is a deficient number, since it is larger than the sum of its proper divisors (95117122).

190234238 is an equidigital number, since it uses as much as digits as its factorization.

190234238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95117121.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 190234238 is about 13792.5428402452. The cubic root of 190234238 is about 575.1258582719.

The spelling of 190234238 in words is "one hundred ninety million, two hundred thirty-four thousand, two hundred thirty-eight".