189566948 has 18 divisors (see below), whose sum is σ = 333586134. Its totient is φ = 94259424.

The previous prime is 189566929. The next prime is 189566957. The reversal of 189566948 is 849665981.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 155950144 + 33616804 = 12488^2 + 5798^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189566893 and 189566902.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198440 + ... + 199392.

It is an arithmetic number, because the mean of its divisors is an integer number (18532563).

Almost surely, 2^189566948 is an apocalyptic number.

It is an amenable number.

189566948 is a deficient number, since it is larger than the sum of its proper divisors (144019186).

189566948 is an equidigital number, since it uses as much as digits as its factorization.

189566948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1178 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 56.

The square root of 189566948 is about 13768.3313440664. The cubic root of 189566948 is about 574.4526087358.

The spelling of 189566948 in words is "one hundred eighty-nine million, five hundred sixty-six thousand, nine hundred forty-eight".