189831116 has 12 divisors (see below), whose sum is σ = 335494320. Its totient is φ = 93975600.

The previous prime is 189831113. The next prime is 189831119. The reversal of 189831116 is 611138981.

189831116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (189831113) and next prime (189831119).

It is a self number, because there is not a number n which added to its sum of digits gives 189831116.

It is not an unprimeable number, because it can be changed into a prime (189831113) 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, 234536 + ... + 235343.

It is an arithmetic number, because the mean of its divisors is an integer number (27957860).

Almost surely, 2^189831116 is an apocalyptic number.

It is an amenable number.

189831116 is a deficient number, since it is larger than the sum of its proper divisors (145663204).

189831116 is a wasteful number, since it uses less digits than its factorization.

189831116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469984 (or 469982 counting only the distinct ones).

The product of its digits is 10368, while the sum is 38.

The square root of 189831116 is about 13777.9213236250. The cubic root of 189831116 is about 574.7193246416.

The spelling of 189831116 in words is "one hundred eighty-nine million, eight hundred thirty-one thousand, one hundred sixteen".