189704892 has 96 divisors (see below), whose sum is σ = 519321600. Its totient is φ = 53367552.

The previous prime is 189704891. The next prime is 189704917. The reversal of 189704892 is 298407981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189704891) 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, 84853 + ... + 87059.

It is an arithmetic number, because the mean of its divisors is an integer number (5409600).

Almost surely, 2^189704892 is an apocalyptic number.

189704892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189704892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259660800).

189704892 is an abundant number, since it is smaller than the sum of its proper divisors (329616708).

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

189704892 is a wasteful number, since it uses less digits than its factorization.

189704892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 189704892 is about 13773.3398999662. The cubic root of 189704892 is about 574.5919140987.

The spelling of 189704892 in words is "one hundred eighty-nine million, seven hundred four thousand, eight hundred ninety-two".