199002402 has 12 divisors (see below), whose sum is σ = 431171910. Its totient is φ = 66334128.

The previous prime is 199002373. The next prime is 199002407. The reversal of 199002402 is 204200991.

It can be written as a sum of positive squares in only one way, i.e., 99980001 + 99022401 = 9999^2 + 9951^2 .

It is not an unprimeable number, because it can be changed into a prime (199002407) 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 5 ways as a sum of consecutive naturals, for example, 5527827 + ... + 5527862.

Almost surely, 2^199002402 is an apocalyptic number.

199002402 is an abundant number, since it is smaller than the sum of its proper divisors (232169508).

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

199002402 is a wasteful number, since it uses less digits than its factorization.

199002402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055697 (or 11055694 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 199002402 is about 14106.8211160417. The cubic root of 199002402 is about 583.8295950720.

The spelling of 199002402 in words is "one hundred ninety-nine million, two thousand, four hundred two".