189471052 has 12 divisors (see below), whose sum is σ = 351078840. Its totient is φ = 89162816.

The previous prime is 189471049. The next prime is 189471077. The reversal of 189471052 is 250174981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393102 + ... + 1393237.

It is an arithmetic number, because the mean of its divisors is an integer number (29256570).

Almost surely, 2^189471052 is an apocalyptic number.

It is an amenable number.

189471052 is a deficient number, since it is larger than the sum of its proper divisors (161607788).

189471052 is a wasteful number, since it uses less digits than its factorization.

189471052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786360 (or 2786358 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 189471052 is about 13764.8484190709. The cubic root of 189471052 is about 574.3557265180.

The spelling of 189471052 in words is "one hundred eighty-nine million, four hundred seventy-one thousand, fifty-two".