189230630 has 16 divisors (see below), whose sum is σ = 341049744. Its totient is φ = 75595680.

The previous prime is 189230609. The next prime is 189230653. The reversal of 189230630 is 36032981.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557 + ... + 19776.

It is an arithmetic number, because the mean of its divisors is an integer number (21315609).

Almost surely, 2^189230630 is an apocalyptic number.

189230630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189230630 is a deficient number, since it is larger than the sum of its proper divisors (151819114).

189230630 is a wasteful number, since it uses less digits than its factorization.

189230630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24151.

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

The square root of 189230630 is about 13756.1124595578. The cubic root of 189230630 is about 574.1126881589.

The spelling of 189230630 in words is "one hundred eighty-nine million, two hundred thirty thousand, six hundred thirty".