199424635 has 8 divisors (see below), whose sum is σ = 245777616. Its totient is φ = 155227680.

The previous prime is 199424623. The next prime is 199424639. The reversal of 199424635 is 536424991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199424635 - 2²⁵ = 165870203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199424591 and 199424600.

It is not an unprimeable number, because it can be changed into a prime (199424639) 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 in 7 ways as a sum of consecutive naturals, for example, 538801 + ... + 539170.

It is an arithmetic number, because the mean of its divisors is an integer number (30722202).

Almost surely, 2^199424635 is an apocalyptic number.

199424635 is a deficient number, since it is larger than the sum of its proper divisors (46352981).

199424635 is a wasteful number, since it uses less digits than its factorization.

199424635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078013.

The product of its digits is 233280, while the sum is 43.

The square root of 199424635 is about 14121.7787477357. The cubic root of 199424635 is about 584.2422165255.

The spelling of 199424635 in words is "one hundred ninety-nine million, four hundred twenty-four thousand, six hundred thirty-five".