189254208 has 224 divisors, whose sum is σ = 603211392. Its totient is φ = 51609600.

The previous prime is 189254207. The next prime is 189254209. The reversal of 189254208 is 802452981.

It is an interprime number because it is at equal distance from previous prime (189254207) and next prime (189254209).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (189254201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1674760 + ... + 1674872.

It is an arithmetic number, because the mean of its divisors is an integer number (2692908).

Almost surely, 2^189254208 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 189254208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301605696).

189254208 is an abundant number, since it is smaller than the sum of its proper divisors (413957184).

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

189254208 is a wasteful number, since it uses less digits than its factorization.

189254208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 189254208 is about 13756.9694337089. The cubic root of 189254208 is about 574.1365318443.

The spelling of 189254208 in words is "one hundred eighty-nine million, two hundred fifty-four thousand, two hundred eight".