195070988 has 24 divisors (see below), whose sum is σ = 413092512. Its totient is φ = 78683904.

The previous prime is 195070963. The next prime is 195071017. The reversal of 195070988 is 889070591.

It is a happy number.

It is a super-3 number, since 3×195070988³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204431 + ... + 205382.

It is an arithmetic number, because the mean of its divisors is an integer number (17212188).

Almost surely, 2^195070988 is an apocalyptic number.

It is an amenable number.

195070988 is an abundant number, since it is smaller than the sum of its proper divisors (218021524).

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

195070988 is a wasteful number, since it uses less digits than its factorization.

195070988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409841 (or 409839 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 195070988 is about 13966.7815906171. The cubic root of 195070988 is about 579.9593590231.

The spelling of 195070988 in words is "one hundred ninety-five million, seventy thousand, nine hundred eighty-eight".