195965604 has 36 divisors (see below), whose sum is σ = 495789840. Its totient is φ = 65264880.

The previous prime is 195965603. The next prime is 195965633. The reversal of 195965604 is 406569591.

It is a happy number.

195965604 is a `hidden beast` number, since 1 + 9 + 596 + 56 + 0 + 4 = 666.

195965604 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 (36).

It is a self number, because there is not a number n which added to its sum of digits gives 195965604.

It is not an unprimeable number, because it can be changed into a prime (195965603) 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, 68107 + ... + 70925.

It is an arithmetic number, because the mean of its divisors is an integer number (13771940).

Almost surely, 2^195965604 is an apocalyptic number.

It is an amenable number.

195965604 is an abundant number, since it is smaller than the sum of its proper divisors (299824236).

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

195965604 is a wasteful number, since it uses less digits than its factorization.

195965604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 195965604 is about 13998.7715175297. The cubic root of 195965604 is about 580.8445919477.

It can be divided in two parts, 19596 and 5604, that added together give a triangular number (25200 = T₂₂₄).

The spelling of 195965604 in words is "one hundred ninety-five million, nine hundred sixty-five thousand, six hundred four".