195628471 has 4 divisors (see below), whose sum is σ = 195703344. Its totient is φ = 195553600.

The previous prime is 195628453. The next prime is 195628487. The reversal of 195628471 is 174826591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 195628471 - 2¹¹ = 195626423 is a prime.

It is a super-3 number, since 3×195628471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195608471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33370 + ... + 38791.

It is an arithmetic number, because the mean of its divisors is an integer number (48925836).

Almost surely, 2^195628471 is an apocalyptic number.

195628471 is a deficient number, since it is larger than the sum of its proper divisors (74873).

195628471 is an equidigital number, since it uses as much as digits as its factorization.

195628471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74872.

The product of its digits is 120960, while the sum is 43.

The square root of 195628471 is about 13986.7248131934. The cubic root of 195628471 is about 580.5113118916.

The spelling of 195628471 in words is "one hundred ninety-five million, six hundred twenty-eight thousand, four hundred seventy-one".