199374402 has 64 divisors (see below), whose sum is σ = 436575744. Its totient is φ = 60453120.

The previous prime is 199374401. The next prime is 199374403. The reversal of 199374402 is 204473991.

It is an interprime number because it is at equal distance from previous prime (199374401) and next prime (199374403).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (199374401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574393 + ... + 574739.

It is an arithmetic number, because the mean of its divisors is an integer number (6821496).

Almost surely, 2^199374402 is an apocalyptic number.

199374402 is an abundant number, since it is smaller than the sum of its proper divisors (237201342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199374402 is a wasteful number, since it uses less digits than its factorization.

199374402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 199374402 is about 14120.0000708215. Note that the first 4 decimals coincide. The cubic root of 199374402 is about 584.1931575518.

The spelling of 199374402 in words is "one hundred ninety-nine million, three hundred seventy-four thousand, four hundred two".