189448 has 32 divisors (see below), whose sum is σ = 432000. Its totient is φ = 76032.

The previous prime is 189439. The next prime is 189463. The reversal of 189448 is 844981.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

189448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2¹⁸⁹⁴⁴⁸ 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 189448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216000).

189448 is an abundant number, since it is smaller than the sum of its proper divisors (242552).

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

189448 is a wasteful number, since it uses less digits than its factorization.

189448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 225 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 189448 is about 435.2562463653. The cubic root of 189448 is about 57.4332432572.

The spelling of 189448 in words is "one hundred eighty-nine thousand, four hundred forty-eight".