199029902 has 24 divisors (see below), whose sum is σ = 328548360. Its totient is φ = 90169200.

The previous prime is 199029881. The next prime is 199029907. The reversal of 199029902 is 209920991.

It is a super-2 number, since 2×199029902² = 79225803780259208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 199029902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199029907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15152 + ... + 25052.

It is an arithmetic number, because the mean of its divisors is an integer number (13689515).

Almost surely, 2^199029902 is an apocalyptic number.

199029902 is a deficient number, since it is larger than the sum of its proper divisors (129518458).

199029902 is a wasteful number, since it uses less digits than its factorization.

199029902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9968 (or 9945 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 199029902 is about 14107.7957881449. The cubic root of 199029902 is about 583.8564868318.

The spelling of 199029902 in words is "one hundred ninety-nine million, twenty-nine thousand, nine hundred two".