195442236 has 36 divisors (see below), whose sum is σ = 538947864. Its totient is φ = 59224800.

The previous prime is 195442213. The next prime is 195442249. The reversal of 195442236 is 632244591.

It is a happy number.

195442236 is a `hidden beast` number, since 195 + 442 + 23 + 6 = 666.

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

It is a super-2 number, since 2×195442236² = 76395335225359392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 195442236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246375 + ... + 247166.

It is an arithmetic number, because the mean of its divisors is an integer number (14970774).

Almost surely, 2^195442236 is an apocalyptic number.

It is an amenable number.

195442236 is an abundant number, since it is smaller than the sum of its proper divisors (343505628).

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

195442236 is a wasteful number, since it uses less digits than its factorization.

195442236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493562 (or 493557 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 195442236 is about 13980.0656650818. The cubic root of 195442236 is about 580.3270410838.

The spelling of 195442236 in words is "one hundred ninety-five million, four hundred forty-two thousand, two hundred thirty-six".