189416992 has 48 divisors (see below), whose sum is σ = 397135872. Its totient is φ = 88622080.

The previous prime is 189416989. The next prime is 189416993. The reversal of 189416992 is 299614981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189416993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102993 + ... + 104815.

It is an arithmetic number, because the mean of its divisors is an integer number (8273664).

Almost surely, 2^189416992 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 189416992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198567936).

189416992 is an abundant number, since it is smaller than the sum of its proper divisors (207718880).

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

189416992 is a wasteful number, since it uses less digits than its factorization.

189416992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2033 counting only the distinct ones).

The product of its digits is 279936, while the sum is 49.

The square root of 189416992 is about 13762.8845813659. The cubic root of 189416992 is about 574.3010961427.

The spelling of 189416992 in words is "one hundred eighty-nine million, four hundred sixteen thousand, nine hundred ninety-two".