189648208 has 20 divisors (see below), whose sum is σ = 367663968. Its totient is φ = 94767200.

The previous prime is 189648187. The next prime is 189648223. The reversal of 189648208 is 802846981.

189648208 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-2 number, since 2×189648208² = 71932885595222528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40383 + ... + 44833.

Almost surely, 2^189648208 is an apocalyptic number.

It is an amenable number.

189648208 is a deficient number, since it is larger than the sum of its proper divisors (178015760).

189648208 is a wasteful number, since it uses less digits than its factorization.

189648208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7122 (or 7116 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 189648208 is about 13771.2820027766. The cubic root of 189648208 is about 574.5346788630.

It can be divided in two parts, 18964 and 8208, that added together give a palindrome (27172).

The spelling of 189648208 in words is "one hundred eighty-nine million, six hundred forty-eight thousand, two hundred eight".