189459795 has 32 divisors (see below), whose sum is σ = 355811328. Its totient is φ = 84267648.

The previous prime is 189459793. The next prime is 189459827. The reversal of 189459795 is 597954981.

It is not a de Polignac number, because 189459795 - 2¹ = 189459793 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (189459791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20499 + ... + 28268.

It is an arithmetic number, because the mean of its divisors is an integer number (11119104).

Almost surely, 2^189459795 is an apocalyptic number.

189459795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189459795 is a deficient number, since it is larger than the sum of its proper divisors (166351533).

189459795 is a wasteful number, since it uses less digits than its factorization.

189459795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48819.

The product of its digits is 4082400, while the sum is 57.

The square root of 189459795 is about 13764.4395091119. The cubic root of 189459795 is about 574.3443516046.

The spelling of 189459795 in words is "one hundred eighty-nine million, four hundred fifty-nine thousand, seven hundred ninety-five".