195884970 has 64 divisors (see below), whose sum is σ = 487489536. Its totient is φ = 50322240.

The previous prime is 195884963. The next prime is 195884971. The reversal of 195884970 is 79488591.

It is not an unprimeable number, because it can be changed into a prime (195884971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322407 + ... + 323013.

It is an arithmetic number, because the mean of its divisors is an integer number (7617024).

Almost surely, 2^195884970 is an apocalyptic number.

195884970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 195884970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243744768).

195884970 is an abundant number, since it is smaller than the sum of its proper divisors (291604566).

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

195884970 is a wasteful number, since it uses less digits than its factorization.

195884970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 195884970 is about 13995.8911827722. The cubic root of 195884970 is about 580.7649142778.

The spelling of 195884970 in words is "one hundred ninety-five million, eight hundred eighty-four thousand, nine hundred seventy".