195881498 has 16 divisors (see below), whose sum is σ = 305700864. Its totient is φ = 94031280.

The previous prime is 195881489. The next prime is 195881513. The reversal of 195881498 is 894188591.

It is a happy number.

It is a super-2 number, since 2×195881498² = 76739122517448008, which contains 22 as substring.

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, 4565 + ... + 20312.

It is an arithmetic number, because the mean of its divisors is an integer number (19106304).

Almost surely, 2^195881498 is an apocalyptic number.

195881498 is a deficient number, since it is larger than the sum of its proper divisors (109819366).

195881498 is a wasteful number, since it uses less digits than its factorization.

195881498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25037.

The product of its digits is 829440, while the sum is 53.

The square root of 195881498 is about 13995.7671458195. The cubic root of 195881498 is about 580.7614829652.

The spelling of 195881498 in words is "one hundred ninety-five million, eight hundred eighty-one thousand, four hundred ninety-eight".