199024039 has 2 divisors, whose sum is σ = 199024040. Its totient is φ = 199024038.

The previous prime is 199024027. The next prime is 199024043. The reversal of 199024039 is 930420991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199024039 - 2⁹ = 199023527 is a prime.

It is a super-2 number, since 2×199024039² = 79221136199747042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 199023989 and 199024007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199024939) by changing a digit.

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 as a sum of consecutive naturals, namely, 99512019 + 99512020.

It is an arithmetic number, because the mean of its divisors is an integer number (99512020).

Almost surely, 2^199024039 is an apocalyptic number.

199024039 is a deficient number, since it is larger than the sum of its proper divisors (1).

199024039 is an equidigital number, since it uses as much as digits as its factorization.

199024039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 199024039 is about 14107.5879937004. The cubic root of 199024039 is about 583.8507537164.

The spelling of 199024039 in words is "one hundred ninety-nine million, twenty-four thousand, thirty-nine".