190789790 has 16 divisors (see below), whose sum is σ = 343598112. Its totient is φ = 76276704.

The previous prime is 190789789. The next prime is 190789829. The reversal of 190789790 is 97987091.

It is a congruent number.

It is an unprimeable number.

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, 23207 + ... + 30333.

It is an arithmetic number, because the mean of its divisors is an integer number (21474882).

Almost surely, 2^190789790 is an apocalyptic number.

190789790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190789790 is a deficient number, since it is larger than the sum of its proper divisors (152808322).

190789790 is a wasteful number, since it uses less digits than its factorization.

190789790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811.

The product of its (nonzero) digits is 285768, while the sum is 50.

The square root of 190789790 is about 13812.6677365381. The cubic root of 190789790 is about 575.6851718805.

The spelling of 190789790 in words is "one hundred ninety million, seven hundred eighty-nine thousand, seven hundred ninety".