189047008 has 24 divisors (see below), whose sum is σ = 372571920. Its totient is φ = 94425600.

The previous prime is 189047003. The next prime is 189047011. The reversal of 189047008 is 800740981.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189047003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35973 + ... + 40891.

It is an arithmetic number, because the mean of its divisors is an integer number (15523830).

Almost surely, 2^189047008 is an apocalyptic number.

It is an amenable number.

189047008 is a deficient number, since it is larger than the sum of its proper divisors (183524912).

189047008 is a wasteful number, since it uses less digits than its factorization.

189047008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130 (or 6122 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 189047008 is about 13749.4366430047. The cubic root of 189047008 is about 573.9269292311.

Adding to 189047008 its reverse (800740981), we get a palindrome (989787989).

The spelling of 189047008 in words is "one hundred eighty-nine million, forty-seven thousand, eight".