189349104 has 80 divisors (see below), whose sum is σ = 560535552. Its totient is φ = 53954304.

The previous prime is 189349073. The next prime is 189349157. The reversal of 189349104 is 401943981.

189349104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218977 + ... + 219839.

Almost surely, 2^189349104 is an apocalyptic number.

189349104 is a gapful number since it is divisible by the number (14) 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 189349104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280267776).

189349104 is an abundant number, since it is smaller than the sum of its proper divisors (371186448).

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

189349104 is a wasteful number, since it uses less digits than its factorization.

189349104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 189349104 is about 13760.4180169063. The cubic root of 189349104 is about 574.2324771464.

The spelling of 189349104 in words is "one hundred eighty-nine million, three hundred forty-nine thousand, one hundred four".