195190944 has 144 divisors (see below), whose sum is σ = 567780192. Its totient is φ = 58665984.

The previous prime is 195190937. The next prime is 195190951. The reversal of 195190944 is 449091591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (195190937) and next prime (195190951).

It is a super-2 number, since 2×195190944² = 76199009239222272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195190896 and 195190905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 859759 + ... + 859985.

It is an arithmetic number, because the mean of its divisors is an integer number (3942918).

Almost surely, 2^195190944 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 195190944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283890096).

195190944 is an abundant number, since it is smaller than the sum of its proper divisors (372589248).

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

195190944 is a wasteful number, since it uses less digits than its factorization.

195190944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 195190944 is about 13971.0752628422. The cubic root of 195190944 is about 580.0782137884.

The spelling of 195190944 in words is "one hundred ninety-five million, one hundred ninety thousand, nine hundred forty-four".