199027958 has 24 divisors (see below), whose sum is σ = 309449952. Its totient is φ = 95999904.

The previous prime is 199027943. The next prime is 199027973. The reversal of 199027958 is 859720991.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (199027943) and next prime (199027973).

It is a super-2 number, since 2×199027958² = 79224256131299528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429635 + ... + 430097.

It is an arithmetic number, because the mean of its divisors is an integer number (12893748).

Almost surely, 2^199027958 is an apocalyptic number.

199027958 is a deficient number, since it is larger than the sum of its proper divisors (110421994).

199027958 is a wasteful number, since it uses less digits than its factorization.

199027958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 50.

The square root of 199027958 is about 14107.7268898997. The cubic root of 199027958 is about 583.8545859102.

The spelling of 199027958 in words is "one hundred ninety-nine million, twenty-seven thousand, nine hundred fifty-eight".