189246330 has 144 divisors (see below), whose sum is σ = 616589064. Its totient is φ = 39916800.

The previous prime is 189246313. The next prime is 189246331. The reversal of 189246330 is 33642981.

189246330 is a `hidden beast` number, since 1 + 89 + 246 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 88906041 + 100340289 = 9429^2 + 10017^2 .

It is a super-3 number, since 3×189246330³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (189246331) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 55680 + ... + 58980.

Almost surely, 2^189246330 is an apocalyptic number.

189246330 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 189246330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308294532).

189246330 is an abundant number, since it is smaller than the sum of its proper divisors (427342734).

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

189246330 is a wasteful number, since it uses less digits than its factorization.

189246330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3341 (or 3331 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 189246330 is about 13756.6831031321. The cubic root of 189246330 is about 574.1285652924.

The spelling of 189246330 in words is "one hundred eighty-nine million, two hundred forty-six thousand, three hundred thirty".