199874486 has 16 divisors (see below), whose sum is σ = 343160064. Its totient is φ = 85530984.

The previous prime is 199874483. The next prime is 199874489. The reversal of 199874486 is 684478991.

It is an interprime number because it is at equal distance from previous prime (199874483) and next prime (199874489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199874483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 890 + ... + 20013.

It is an arithmetic number, because the mean of its divisors is an integer number (21447504).

Almost surely, 2^199874486 is an apocalyptic number.

199874486 is a deficient number, since it is larger than the sum of its proper divisors (143285578).

199874486 is a wasteful number, since it uses less digits than its factorization.

199874486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21595.

The product of its digits is 3483648, while the sum is 56.

The square root of 199874486 is about 14137.6973372611. The cubic root of 199874486 is about 584.6811869882.

The spelling of 199874486 in words is "one hundred ninety-nine million, eight hundred seventy-four thousand, four hundred eighty-six".