195288428 has 24 divisors (see below), whose sum is σ = 346681440. Its totient is φ = 96243840.

The previous prime is 195288427. The next prime is 195288487. The reversal of 195288428 is 824882591.

It is a super-2 number, since 2×195288428² = 76275140221422368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195288421) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 149225 + ... + 150527.

It is an arithmetic number, because the mean of its divisors is an integer number (14445060).

Almost surely, 2^195288428 is an apocalyptic number.

It is an amenable number.

195288428 is a deficient number, since it is larger than the sum of its proper divisors (151393012).

195288428 is a wasteful number, since it uses less digits than its factorization.

195288428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817 (or 1815 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The square root of 195288428 is about 13974.5636067821. The cubic root of 195288428 is about 580.1747669926.

The spelling of 195288428 in words is "one hundred ninety-five million, two hundred eighty-eight thousand, four hundred twenty-eight".