189986848 has 24 divisors (see below), whose sum is σ = 386104320. Its totient is φ = 91928640.

The previous prime is 189986837. The next prime is 189986851. The reversal of 189986848 is 848689981.

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, 94768 + ... + 96751.

It is an arithmetic number, because the mean of its divisors is an integer number (16087680).

Almost surely, 2^189986848 is an apocalyptic number.

It is an amenable number.

189986848 is an abundant number, since it is smaller than the sum of its proper divisors (196117472).

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

189986848 is a wasteful number, since it uses less digits than its factorization.

189986848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191560 (or 191552 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 61.

The square root of 189986848 is about 13783.5716706520. The cubic root of 189986848 is about 574.8764427648.

The spelling of 189986848 in words is "one hundred eighty-nine million, nine hundred eighty-six thousand, eight hundred forty-eight".