190380788 has 24 divisors (see below), whose sum is σ = 363716808. Its totient is φ = 86662656.

The previous prime is 190380781. The next prime is 190380793. The reversal of 190380788 is 887083091.

It can be written as a sum of positive squares in 4 ways, for example, as 11142244 + 179238544 = 3338^2 + 13388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190380781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21281 + ... + 28872.

It is an arithmetic number, because the mean of its divisors is an integer number (15154867).

Almost surely, 2^190380788 is an apocalyptic number.

It is an amenable number.

190380788 is a deficient number, since it is larger than the sum of its proper divisors (173336020).

190380788 is a wasteful number, since it uses less digits than its factorization.

190380788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50243 (or 50241 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 190380788 is about 13797.8544708951. The cubic root of 190380788 is about 575.2735061775.

The spelling of 190380788 in words is "one hundred ninety million, three hundred eighty thousand, seven hundred eighty-eight".