199885534 has 16 divisors (see below), whose sum is σ = 304521840. Its totient is φ = 98383680.

The previous prime is 199885513. The next prime is 199885547. The reversal of 199885534 is 435588991.

It is a congruent number.

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, 102549 + ... + 104479.

It is an arithmetic number, because the mean of its divisors is an integer number (19032615).

Almost surely, 2^199885534 is an apocalyptic number.

199885534 is a deficient number, since it is larger than the sum of its proper divisors (104636306).

199885534 is a wasteful number, since it uses less digits than its factorization.

199885534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715.

The product of its digits is 1555200, while the sum is 52.

The square root of 199885534 is about 14138.0880602718. The cubic root of 199885534 is about 584.6919594800.

The spelling of 199885534 in words is "one hundred ninety-nine million, eight hundred eighty-five thousand, five hundred thirty-four".