3198857195 has 8 divisors (see below), whose sum is σ = 4040661840. Its totient is φ = 2424396960.

The previous prime is 3198857147. The next prime is 3198857197. The reversal of 3198857195 is 5917588913.

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

It is not a de Polignac number, because 3198857195 - 2⁶ = 3198857131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3198857195.

It is not an unprimeable number, because it can be changed into a prime (3198857197) 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, 16835996 + ... + 16836185.

It is an arithmetic number, because the mean of its divisors is an integer number (505082730).

Almost surely, 2^3198857195 is an apocalyptic number.

3198857195 is a deficient number, since it is larger than the sum of its proper divisors (841804645).

3198857195 is a wasteful number, since it uses less digits than its factorization.

3198857195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33672205.

The product of its digits is 2721600, while the sum is 56.

The square root of 3198857195 is about 56558.4405283597. The cubic root of 3198857195 is about 1473.4371565020.

The spelling of 3198857195 in words is "three billion, one hundred ninety-eight million, eight hundred fifty-seven thousand, one hundred ninety-five".