195530428 has 6 divisors (see below), whose sum is σ = 342178256. Its totient is φ = 97765212.

The previous prime is 195530411. The next prime is 195530497. The reversal of 195530428 is 824035591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24441300 + ... + 24441307.

Almost surely, 2^195530428 is an apocalyptic number.

It is an amenable number.

195530428 is a deficient number, since it is larger than the sum of its proper divisors (146647828).

195530428 is a wasteful number, since it uses less digits than its factorization.

195530428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48882611 (or 48882609 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 195530428 is about 13983.2195148328. The cubic root of 195530428 is about 580.4143175210.

The spelling of 195530428 in words is "one hundred ninety-five million, five hundred thirty thousand, four hundred twenty-eight".