189472608 has 120 divisors (see below), whose sum is σ = 600204528. Its totient is φ = 58288896.

The previous prime is 189472567. The next prime is 189472609. The reversal of 189472608 is 806274981.

189472608 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 not an unprimeable number, because it can be changed into a prime (189472609) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30885 + ... + 36507.

Almost surely, 2^189472608 is an apocalyptic number.

189472608 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 189472608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300102264).

189472608 is an abundant number, since it is smaller than the sum of its proper divisors (410731920).

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

189472608 is a wasteful number, since it uses less digits than its factorization.

189472608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658 (or 5641 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 189472608 is about 13764.9049397371. The cubic root of 189472608 is about 574.3572987812.

The spelling of 189472608 in words is "one hundred eighty-nine million, four hundred seventy-two thousand, six hundred eight".