199389274 has 16 divisors (see below), whose sum is σ = 342416448. Its totient is φ = 85300992.

The previous prime is 199389269. The next prime is 199389283. The reversal of 199389274 is 472983991.

It is a happy number.

199389274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4264 + ... + 20419.

It is an arithmetic number, because the mean of its divisors is an integer number (21401028).

Almost surely, 2^199389274 is an apocalyptic number.

199389274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199389274 is a deficient number, since it is larger than the sum of its proper divisors (143027174).

199389274 is a wasteful number, since it uses less digits than its factorization.

199389274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25269.

The product of its digits is 979776, while the sum is 52.

The square root of 199389274 is about 14120.5266898937. The cubic root of 199389274 is about 584.2076828277.

The spelling of 199389274 in words is "one hundred ninety-nine million, three hundred eighty-nine thousand, two hundred seventy-four".