195890236 has 6 divisors (see below), whose sum is σ = 342807920. Its totient is φ = 97945116.

The previous prime is 195890231. The next prime is 195890237. The reversal of 195890236 is 632098591.

It is a happy number.

195890236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 195890192 and 195890201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195890231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24486276 + ... + 24486283.

Almost surely, 2^195890236 is an apocalyptic number.

It is an amenable number.

195890236 is a deficient number, since it is larger than the sum of its proper divisors (146917684).

195890236 is a wasteful number, since it uses less digits than its factorization.

195890236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48972563 (or 48972561 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 195890236 is about 13996.0793081491. The cubic root of 195890236 is about 580.7701184896.

The spelling of 195890236 in words is "one hundred ninety-five million, eight hundred ninety thousand, two hundred thirty-six".