195730487 has 8 divisors (see below), whose sum is σ = 198416400. Its totient is φ = 193063104.

The previous prime is 195730477. The next prime is 195730489. The reversal of 195730487 is 784037591.

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

It is a cyclic number.

It is not a de Polignac number, because 195730487 - 2²⁰ = 194681911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195730489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17339 + ... + 26307.

It is an arithmetic number, because the mean of its divisors is an integer number (24802050).

Almost surely, 2^195730487 is an apocalyptic number.

195730487 is a deficient number, since it is larger than the sum of its proper divisors (2685913).

195730487 is a wasteful number, since it uses less digits than its factorization.

195730487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9265.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 195730487 is about 13990.3712245244. The cubic root of 195730487 is about 580.6122023711.

The spelling of 195730487 in words is "one hundred ninety-five million, seven hundred thirty thousand, four hundred eighty-seven".