189049 has 8 divisors (see below), whose sum is σ = 218880. Its totient is φ = 159936.

The previous prime is 189043. The next prime is 189061. The reversal of 189049 is 940981.

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

It is not a de Polignac number, because 189049 - 2³ = 189041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189049.

It is not an unprimeable number, because it can be changed into a prime (189041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (27360).

2¹⁸⁹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

189049 is a deficient number, since it is larger than the sum of its proper divisors (29831).

189049 is a wasteful number, since it uses less digits than its factorization.

189049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 189049 is about 434.7976540875. The cubic root of 189049 is about 57.3928945059.

The spelling of 189049 in words is "one hundred eighty-nine thousand, forty-nine".