189024030 has 160 divisors (see below), whose sum is σ = 567151200. Its totient is φ = 44851968.

The previous prime is 189024013. The next prime is 189024053. The reversal of 189024030 is 30420981.

It is a super-3 number, since 3×189024030³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 189023985 and 189024003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 305061 + ... + 305679.

It is an arithmetic number, because the mean of its divisors is an integer number (3544695).

Almost surely, 2^189024030 is an apocalyptic number.

189024030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 189024030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283575600).

189024030 is an abundant number, since it is smaller than the sum of its proper divisors (378127170).

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

189024030 is a wasteful number, since it uses less digits than its factorization.

189024030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 189024030 is about 13748.6010197402. The cubic root of 189024030 is about 573.9036753546.

The spelling of 189024030 in words is "one hundred eighty-nine million, twenty-four thousand, thirty".