190230764 has 18 divisors (see below), whose sum is σ = 342154260. Its totient is φ = 92542032.

The previous prime is 190230763. The next prime is 190230779. The reversal of 190230764 is 467032091.

It is a self number, because there is not a number n which added to its sum of digits gives 190230764.

It is not an unprimeable number, because it can be changed into a prime (190230763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11894 + ... + 22845.

It is an arithmetic number, because the mean of its divisors is an integer number (19008570).

Almost surely, 2^190230764 is an apocalyptic number.

It is an amenable number.

190230764 is a deficient number, since it is larger than the sum of its proper divisors (151923496).

190230764 is a wasteful number, since it uses less digits than its factorization.

190230764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34817 (or 34778 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 190230764 is about 13792.4169020516. The cubic root of 190230764 is about 575.1223573259.

The spelling of 190230764 in words is "one hundred ninety million, two hundred thirty thousand, seven hundred sixty-four".