195864498 has 24 divisors (see below), whose sum is σ = 428270700. Its totient is φ = 64688544.

The previous prime is 195864469. The next prime is 195864499. The reversal of 195864498 is 894468591.

195864498 is a `hidden beast` number, since 1 + 95 + 8 + 64 + 498 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 191185929 + 4678569 = 13827^2 + 2163^2 .

It is not an unprimeable number, because it can be changed into a prime (195864499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47953 + ... + 51876.

Almost surely, 2^195864498 is an apocalyptic number.

195864498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

195864498 is an abundant number, since it is smaller than the sum of its proper divisors (232406202).

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

195864498 is a wasteful number, since it uses less digits than its factorization.

195864498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99946 (or 99943 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 195864498 is about 13995.1598061616. The cubic root of 195864498 is about 580.7446815981.

The spelling of 195864498 in words is "one hundred ninety-five million, eight hundred sixty-four thousand, four hundred ninety-eight".