195428912 has 40 divisors (see below), whose sum is σ = 447664800. Its totient is φ = 80865792.

The previous prime is 195428899. The next prime is 195428917. The reversal of 195428912 is 219824591.

It is a self number, because there is not a number n which added to its sum of digits gives 195428912.

It is not an unprimeable number, because it can be changed into a prime (195428917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26837 + ... + 33332.

It is an arithmetic number, because the mean of its divisors is an integer number (11191620).

Almost surely, 2^195428912 is an apocalyptic number.

It is an amenable number.

195428912 is an abundant number, since it is smaller than the sum of its proper divisors (252235888).

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

195428912 is a wasteful number, since it uses less digits than its factorization.

195428912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60213 (or 60207 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 195428912 is about 13979.5891212868. The cubic root of 195428912 is about 580.3138531238.

The spelling of 195428912 in words is "one hundred ninety-five million, four hundred twenty-eight thousand, nine hundred twelve".