189353085 has 16 divisors (see below), whose sum is σ = 305798976. Its totient is φ = 100043648.

The previous prime is 189353081. The next prime is 189353111. The reversal of 189353085 is 580353981.

It is a cyclic number.

It is not a de Polignac number, because 189353085 - 2² = 189353081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189353081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57384 + ... + 60593.

It is an arithmetic number, because the mean of its divisors is an integer number (19112436).

Almost surely, 2^189353085 is an apocalyptic number.

189353085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189353085 is a deficient number, since it is larger than the sum of its proper divisors (116445891).

189353085 is a wasteful number, since it uses less digits than its factorization.

189353085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118092.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 189353085 is about 13760.5626701818. The cubic root of 189353085 is about 574.2365014652.

The spelling of 189353085 in words is "one hundred eighty-nine million, three hundred fifty-three thousand, eighty-five".