195694870 has 32 divisors (see below), whose sum is σ = 423763200. Its totient is φ = 63563616.

The previous prime is 195694861. The next prime is 195694883. The reversal of 195694870 is 78496591.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72240 + ... + 74899.

It is an arithmetic number, because the mean of its divisors is an integer number (13242600).

Almost surely, 2^195694870 is an apocalyptic number.

195694870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195694870 is an abundant number, since it is smaller than the sum of its proper divisors (228068330).

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

195694870 is a wasteful number, since it uses less digits than its factorization.

195694870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147172.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 195694870 is about 13989.0982554273. The cubic root of 195694870 is about 580.5769823097.

The spelling of 195694870 in words is "one hundred ninety-five million, six hundred ninety-four thousand, eight hundred seventy".