189849174 has 8 divisors (see below), whose sum is σ = 379698360. Its totient is φ = 63283056.

The previous prime is 189849173. The next prime is 189849223. The reversal of 189849174 is 471948981.

It is a sphenic number, since it is the product of 3 distinct primes.

189849174 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189849173) 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, 15820759 + ... + 15820770.

It is an arithmetic number, because the mean of its divisors is an integer number (47462295).

Almost surely, 2^189849174 is an apocalyptic number.

189849174 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189849174 is a wasteful number, since it uses less digits than its factorization.

189849174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31641534.

The product of its digits is 580608, while the sum is 51.

The square root of 189849174 is about 13778.5766318586. The cubic root of 189849174 is about 574.7375477737.

The spelling of 189849174 in words is "one hundred eighty-nine million, eight hundred forty-nine thousand, one hundred seventy-four".