189224308 has 48 divisors (see below), whose sum is σ = 411675264. Its totient is φ = 74102400.

The previous prime is 189224267. The next prime is 189224309. The reversal of 189224308 is 803422981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189224309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34191 + ... + 39337.

It is an arithmetic number, because the mean of its divisors is an integer number (8576568).

Almost surely, 2^189224308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189224308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205837632).

189224308 is an abundant number, since it is smaller than the sum of its proper divisors (222450956).

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

189224308 is a wasteful number, since it uses less digits than its factorization.

189224308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272 (or 5270 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 189224308 is about 13755.8826688802. The cubic root of 189224308 is about 574.1062945836.

The spelling of 189224308 in words is "one hundred eighty-nine million, two hundred twenty-four thousand, three hundred eight".