195434864 has 40 divisors (see below), whose sum is σ = 404786592. Its totient is φ = 91182080.

The previous prime is 195434843. The next prime is 195434891. The reversal of 195434864 is 468434591.

195434864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8612 + ... + 21564.

Almost surely, 2^195434864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195434864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202393296).

195434864 is an abundant number, since it is smaller than the sum of its proper divisors (209351728).

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

195434864 is a wasteful number, since it uses less digits than its factorization.

195434864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13025 (or 13019 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 195434864 is about 13979.8020014591. The cubic root of 195434864 is about 580.3197444271.

The spelling of 195434864 in words is "one hundred ninety-five million, four hundred thirty-four thousand, eight hundred sixty-four".