199279682 has 32 divisors (see below), whose sum is σ = 363232512. Its totient is φ = 80144064.

The previous prime is 199279679. The next prime is 199279699. The reversal of 199279682 is 286972991.

It is a super-2 number, since 2×199279682² = 79424783316042248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11228 + ... + 22904.

It is an arithmetic number, because the mean of its divisors is an integer number (11351016).

Almost surely, 2^199279682 is an apocalyptic number.

199279682 is a deficient number, since it is larger than the sum of its proper divisors (163952830).

199279682 is a wasteful number, since it uses less digits than its factorization.

199279682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762.

The product of its digits is 979776, while the sum is 53.

The square root of 199279682 is about 14116.6455647225. The cubic root of 199279682 is about 584.1006288879.

The spelling of 199279682 in words is "one hundred ninety-nine million, two hundred seventy-nine thousand, six hundred eighty-two".