195397458 has 8 divisors (see below), whose sum is σ = 390794928. Its totient is φ = 65132484.

The previous prime is 195397429. The next prime is 195397459. The reversal of 195397458 is 854793591.

195397458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

195397458 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 195397458.

It is not an unprimeable number, because it can be changed into a prime (195397459) 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, 16283116 + ... + 16283127.

It is an arithmetic number, because the mean of its divisors is an integer number (48849366).

Almost surely, 2^195397458 is an apocalyptic number.

195397458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195397458 is a wasteful number, since it uses less digits than its factorization.

195397458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32566248.

The product of its digits is 1360800, while the sum is 51.

The square root of 195397458 is about 13978.4640787177. The cubic root of 195397458 is about 580.2827178956.

The spelling of 195397458 in words is "one hundred ninety-five million, three hundred ninety-seven thousand, four hundred fifty-eight".