189854365 has 16 divisors (see below), whose sum is σ = 240494400. Its totient is φ = 143482752.

The previous prime is 189854341. The next prime is 189854369. The reversal of 189854365 is 563458981.

It is a cyclic number.

It is not a de Polignac number, because 189854365 - 2⁷ = 189854237 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189854369) 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, 33369 + ... + 38641.

It is an arithmetic number, because the mean of its divisors is an integer number (15030900).

Almost surely, 2^189854365 is an apocalyptic number.

It is an amenable number.

189854365 is a deficient number, since it is larger than the sum of its proper divisors (50640035).

189854365 is a wasteful number, since it uses less digits than its factorization.

189854365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5676.

The product of its digits is 1036800, while the sum is 49.

The square root of 189854365 is about 13778.7650027134. The cubic root of 189854365 is about 574.7427860292.

The spelling of 189854365 in words is "one hundred eighty-nine million, eight hundred fifty-four thousand, three hundred sixty-five".