195397488 has 160 divisors (see below), whose sum is σ = 659124480. Its totient is φ = 54639360.

The previous prime is 195397459. The next prime is 195397519. The reversal of 195397488 is 884793591.

195397488 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60195 + ... + 63357.

It is an arithmetic number, because the mean of its divisors is an integer number (4119528).

Almost surely, 2^195397488 is an apocalyptic number.

195397488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195397488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329562240).

195397488 is an abundant number, since it is smaller than the sum of its proper divisors (463726992).

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

195397488 is a wasteful number, since it uses less digits than its factorization.

195397488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3192 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 195397488 is about 13978.4651517969. The cubic root of 195397488 is about 580.2827475931.

The spelling of 195397488 in words is "one hundred ninety-five million, three hundred ninety-seven thousand, four hundred eighty-eight".