198528814 has 12 divisors (see below), whose sum is σ = 327326832. Its totient is φ = 90240260.

The previous prime is 198528787. The next prime is 198528821. The reversal of 198528814 is 418825891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 409942 + ... + 410425.

It is an arithmetic number, because the mean of its divisors is an integer number (27277236).

Almost surely, 2^198528814 is an apocalyptic number.

198528814 is a deficient number, since it is larger than the sum of its proper divisors (128798018).

198528814 is a wasteful number, since it uses less digits than its factorization.

198528814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820391 (or 820380 counting only the distinct ones).

The product of its digits is 184320, while the sum is 46.

The square root of 198528814 is about 14090.0253370957. The cubic root of 198528814 is about 583.3660926002.

The spelling of 198528814 in words is "one hundred ninety-eight million, five hundred twenty-eight thousand, eight hundred fourteen".