189623448 has 48 divisors (see below), whose sum is σ = 586931280. Its totient is φ = 54177984.

The previous prime is 189623411. The next prime is 189623459. The reversal of 189623448 is 844326981.

It is a happy number.

189623448 is a `hidden beast` number, since 18 + 9 + 623 + 4 + 4 + 8 = 666.

189623448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×189623448³ (a number of 26 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 187615 + ... + 188622.

It is an arithmetic number, because the mean of its divisors is an integer number (12227735).

Almost surely, 2^189623448 is an apocalyptic number.

189623448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189623448 is an abundant number, since it is smaller than the sum of its proper divisors (397307832).

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

189623448 is a wasteful number, since it uses less digits than its factorization.

189623448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376256 (or 376249 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 189623448 is about 13770.3830012095. The cubic root of 189623448 is about 574.5096745003.

The spelling of 189623448 in words is "one hundred eighty-nine million, six hundred twenty-three thousand, four hundred forty-eight".