189475 has 24 divisors (see below), whose sum is σ = 281232. Its totient is φ = 124800.

The previous prime is 189473. The next prime is 189479. The reversal of 189475 is 574981.

It is a happy number.

It is not a de Polignac number, because 189475 - 2¹ = 189473 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 189475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3549 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (11718).

2¹⁸⁹⁴⁷⁵ is an apocalyptic number.

189475 is a deficient number, since it is larger than the sum of its proper divisors (91757).

189475 is a wasteful number, since it uses less digits than its factorization.

189475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 82 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 189475 is about 435.2872614722. The cubic root of 189475 is about 57.4359715765.

The spelling of 189475 in words is "one hundred eighty-nine thousand, four hundred seventy-five".