189652917 has 8 divisors (see below), whose sum is σ = 263865024. Its totient is φ = 120938048.

The previous prime is 189652873. The next prime is 189652933. The reversal of 189652917 is 719256981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189652917 - 2⁷ = 189652789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189652937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374228 + ... + 1374365.

It is an arithmetic number, because the mean of its divisors is an integer number (32983128).

Almost surely, 2^189652917 is an apocalyptic number.

It is an amenable number.

189652917 is a deficient number, since it is larger than the sum of its proper divisors (74212107).

189652917 is a wasteful number, since it uses less digits than its factorization.

189652917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748619.

The product of its digits is 272160, while the sum is 48.

The square root of 189652917 is about 13771.4529734520. The cubic root of 189652917 is about 574.5394340910.

The spelling of 189652917 in words is "one hundred eighty-nine million, six hundred fifty-two thousand, nine hundred seventeen".