199893069 has 16 divisors (see below), whose sum is σ = 309014400. Its totient is φ = 127467648.

The previous prime is 199893061. The next prime is 199893077. The reversal of 199893069 is 960398991.

It is an interprime number because it is at equal distance from previous prime (199893061) and next prime (199893077).

It is not a de Polignac number, because 199893069 - 2³ = 199893061 is a prime.

It is a super-2 number, since 2×199893069² = 79914478068477522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199893061) 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 15 ways as a sum of consecutive naturals, for example, 160324 + ... + 161565.

It is an arithmetic number, because the mean of its divisors is an integer number (19313400).

Almost surely, 2^199893069 is an apocalyptic number.

It is an amenable number.

199893069 is a deficient number, since it is larger than the sum of its proper divisors (109121331).

199893069 is a wasteful number, since it uses less digits than its factorization.

199893069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321921 (or 321915 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The square root of 199893069 is about 14138.3545365081. The cubic root of 199893069 is about 584.6993063491.

The spelling of 199893069 in words is "one hundred ninety-nine million, eight hundred ninety-three thousand, sixty-nine".