189834048 has 84 divisors (see below), whose sum is σ = 552358560. Its totient is φ = 62320896.

The previous prime is 189834017. The next prime is 189834079. The reversal of 189834048 is 840438981.

It is an interprime number because it is at equal distance from previous prime (189834017) and next prime (189834079).

It is a junction number, because it is equal to n+sod(n) for n = 189833994 and 189834012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36133 + ... + 41051.

Almost surely, 2^189834048 is an apocalyptic number.

189834048 is a gapful number since it is divisible by the number (18) 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 189834048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276179280).

189834048 is an abundant number, since it is smaller than the sum of its proper divisors (362524512).

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

189834048 is a wasteful number, since it uses less digits than its factorization.

189834048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004 (or 4991 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 189834048 is about 13778.0277253314. The cubic root of 189834048 is about 574.7222835320.

The spelling of 189834048 in words is "one hundred eighty-nine million, eight hundred thirty-four thousand, forty-eight".