189030700 has 36 divisors (see below), whose sum is σ = 424347840. Its totient is φ = 73003840.

The previous prime is 189030689. The next prime is 189030703. The reversal of 189030700 is 7030981.

It is not an unprimeable number, because it can be changed into a prime (189030703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29692 + ... + 35491.

It is an arithmetic number, because the mean of its divisors is an integer number (11787440).

Almost surely, 2^189030700 is an apocalyptic number.

189030700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189030700 is an abundant number, since it is smaller than the sum of its proper divisors (235317140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189030700 is a wasteful number, since it uses less digits than its factorization.

189030700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65226 (or 65219 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 189030700 is about 13748.8435877349. The cubic root of 189030700 is about 573.9104256295.

The spelling of 189030700 in words is "one hundred eighty-nine million, thirty thousand, seven hundred".