189795597 has 8 divisors (see below), whose sum is σ = 257835744. Its totient is φ = 124142928.

The previous prime is 189795589. The next prime is 189795631. The reversal of 189795597 is 795597981.

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

It is not a de Polignac number, because 189795597 - 2³ = 189795589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189795597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189795527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596683 + ... + 597000.

It is an arithmetic number, because the mean of its divisors is an integer number (32229468).

Almost surely, 2^189795597 is an apocalyptic number.

It is an amenable number.

189795597 is a deficient number, since it is larger than the sum of its proper divisors (68040147).

189795597 is a wasteful number, since it uses less digits than its factorization.

189795597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193739.

The product of its digits is 7144200, while the sum is 60.

The square root of 189795597 is about 13776.6322807862. The cubic root of 189795597 is about 574.6834774644.

The spelling of 189795597 in words is "one hundred eighty-nine million, seven hundred ninety-five thousand, five hundred ninety-seven".