195913798 has 4 divisors (see below), whose sum is σ = 293870700. Its totient is φ = 97956898.

The previous prime is 195913777. The next prime is 195913849. The reversal of 195913798 is 897319591.

It is a happy number.

195913798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 897319591 = 7 ⋅128188513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48978448 + ... + 48978451.

It is an arithmetic number, because the mean of its divisors is an integer number (73467675).

Almost surely, 2^195913798 is an apocalyptic number.

195913798 is a deficient number, since it is larger than the sum of its proper divisors (97956902).

195913798 is an equidigital number, since it uses as much as digits as its factorization.

195913798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97956901.

The product of its digits is 612360, while the sum is 52.

The square root of 195913798 is about 13996.9210185669. The cubic root of 195913798 is about 580.7934028847.

The spelling of 195913798 in words is "one hundred ninety-five million, nine hundred thirteen thousand, seven hundred ninety-eight".