195797952 has 112 divisors (see below), whose sum is σ = 657880320. Its totient is φ = 55938816.

The previous prime is 195797929. The next prime is 195797957. The reversal of 195797952 is 259797591.

195797952 is a `hidden beast` number, since 19 + 579 + 7 + 9 + 52 = 666.

195797952 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 tau number, because it is divible by the number of its divisors (112).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195797957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4003 + ... + 20189.

Almost surely, 2^195797952 is an apocalyptic number.

195797952 is a gapful number since it is divisible by the number (12) 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 195797952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328940160).

195797952 is an abundant number, since it is smaller than the sum of its proper divisors (462082368).

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

195797952 is a wasteful number, since it uses less digits than its factorization.

195797952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16215 (or 16199 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 54.

The square root of 195797952 is about 13992.7821393746. The cubic root of 195797952 is about 580.6789037882.

The spelling of 195797952 in words is "one hundred ninety-five million, seven hundred ninety-seven thousand, nine hundred fifty-two".