189208495 has 16 divisors (see below), whose sum is σ = 261047808. Its totient is φ = 128962080.

The previous prime is 189208493. The next prime is 189208529. The reversal of 189208495 is 594802981.

It is not a de Polignac number, because 189208495 - 2¹ = 189208493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189208493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10341 + ... + 22030.

It is an arithmetic number, because the mean of its divisors is an integer number (16315488).

Almost surely, 2^189208495 is an apocalyptic number.

189208495 is a deficient number, since it is larger than the sum of its proper divisors (71839313).

189208495 is a wasteful number, since it uses less digits than its factorization.

189208495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32550.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 189208495 is about 13755.3078845950. The cubic root of 189208495 is about 574.0903019313.

The spelling of 189208495 in words is "one hundred eighty-nine million, two hundred eight thousand, four hundred ninety-five".