195969492 has 36 divisors (see below), whose sum is σ = 500281236. Its totient is φ = 64675200.

The previous prime is 195969491. The next prime is 195969511. The reversal of 195969492 is 294969591.

195969492 is a `hidden beast` number, since 1 + 9 + 596 + 9 + 49 + 2 = 666.

195969492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 170929476 + 25040016 = 13074^2 + 5004^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195969491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23313 + ... + 30584.

It is an arithmetic number, because the mean of its divisors is an integer number (13896701).

Almost surely, 2^195969492 is an apocalyptic number.

195969492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195969492 is an abundant number, since it is smaller than the sum of its proper divisors (304311744).

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

195969492 is a wasteful number, since it uses less digits than its factorization.

195969492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54008 (or 54003 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 195969492 is about 13998.9103861693. The cubic root of 195969492 is about 580.8484332831.

Subtracting 195969492 from its reverse (294969591), we obtain a palindrome (99000099).

The spelling of 195969492 in words is "one hundred ninety-five million, nine hundred sixty-nine thousand, four hundred ninety-two".