189495 has 12 divisors (see below), whose sum is σ = 328536. Its totient is φ = 101040.

The previous prime is 189493. The next prime is 189509. The reversal of 189495 is 594981.

It is not a de Polignac number, because 189495 - 2¹ = 189493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2061 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (27378).

2¹⁸⁹⁴⁹⁵ is an apocalyptic number.

189495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189495 is a deficient number, since it is larger than the sum of its proper divisors (139041).

189495 is a wasteful number, since it uses less digits than its factorization.

189495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222 (or 4219 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 189495 is about 435.3102342009. The cubic root of 189495 is about 57.4379923867.

The spelling of 189495 in words is "one hundred eighty-nine thousand, four hundred ninety-five".