189493248 has 104 divisors (see below), whose sum is σ = 577694848. Its totient is φ = 54116352.

The previous prime is 189493247. The next prime is 189493273. The reversal of 189493248 is 842394981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 189493197 and 189493206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189493247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84915 + ... + 87117.

Almost surely, 2^189493248 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 189493248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288847424).

189493248 is an abundant number, since it is smaller than the sum of its proper divisors (388201600).

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

189493248 is an equidigital number, since it uses as much as digits as its factorization.

189493248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2215 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 189493248 is about 13765.6546520680. The cubic root of 189493248 is about 574.3781536941.

The spelling of 189493248 in words is "one hundred eighty-nine million, four hundred ninety-three thousand, two hundred forty-eight".