195957748 has 24 divisors (see below), whose sum is σ = 399313152. Its totient is φ = 82396704.

The previous prime is 195957733. The next prime is 195957763. The reversal of 195957748 is 847759591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (195957733) and next prime (195957763).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64540 + ... + 67507.

It is an arithmetic number, because the mean of its divisors is an integer number (16638048).

Almost surely, 2^195957748 is an apocalyptic number.

It is an amenable number.

195957748 is an abundant number, since it is smaller than the sum of its proper divisors (203355404).

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

195957748 is a wasteful number, since it uses less digits than its factorization.

195957748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132111 (or 132109 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 55.

The square root of 195957748 is about 13998.4909186669. The cubic root of 195957748 is about 580.8368300820.

The spelling of 195957748 in words is "one hundred ninety-five million, nine hundred fifty-seven thousand, seven hundred forty-eight".