189354396 has 96 divisors (see below), whose sum is σ = 556577280. Its totient is φ = 48672000.

The previous prime is 189354391. The next prime is 189354397. The reversal of 189354396 is 693453981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189354391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92310 + ... + 94338.

It is an arithmetic number, because the mean of its divisors is an integer number (5797680).

Almost surely, 2^189354396 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 189354396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278288640).

189354396 is an abundant number, since it is smaller than the sum of its proper divisors (367222884).

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

189354396 is a wasteful number, since it uses less digits than its factorization.

189354396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155 (or 2153 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 189354396 is about 13760.6103062328. The cubic root of 189354396 is about 574.2378267183.

The spelling of 189354396 in words is "one hundred eighty-nine million, three hundred fifty-four thousand, three hundred ninety-six".