195933394 has 4 divisors (see below), whose sum is σ = 293900094. Its totient is φ = 97966696.

The previous prime is 195933391. The next prime is 195933401. The reversal of 195933394 is 493339591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 493339591 = 3121 ⋅158071.

It can be written as a sum of positive squares in only one way, i.e., 136072225 + 59861169 = 11665^2 + 7737^2 .

It is not an unprimeable number, because it can be changed into a prime (195933391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48983347 + ... + 48983350.

Almost surely, 2^195933394 is an apocalyptic number.

195933394 is a deficient number, since it is larger than the sum of its proper divisors (97966700).

195933394 is an equidigital number, since it uses as much as digits as its factorization.

195933394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97966699.

The product of its digits is 393660, while the sum is 46.

The square root of 195933394 is about 13997.6210121577. The cubic root of 195933394 is about 580.8127665847.

It can be divided in two parts, 1959 and 33394, that added together give a palindrome (35353).

The spelling of 195933394 in words is "one hundred ninety-five million, nine hundred thirty-three thousand, three hundred ninety-four".