199482639 has 8 divisors (see below), whose sum is σ = 266042112. Its totient is φ = 132955800.

The previous prime is 199482637. The next prime is 199482697. The reversal of 199482639 is 936284991.

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

It is not a de Polignac number, because 199482639 - 2¹ = 199482637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199482591 and 199482600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199482631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19672 + ... + 28034.

It is an arithmetic number, because the mean of its divisors is an integer number (33255264).

Almost surely, 2^199482639 is an apocalyptic number.

199482639 is a deficient number, since it is larger than the sum of its proper divisors (66559473).

199482639 is an equidigital number, since it uses as much as digits as its factorization.

199482639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317.

The product of its digits is 839808, while the sum is 51.

The square root of 199482639 is about 14123.8323057165. The cubic root of 199482639 is about 584.2988546309.

The spelling of 199482639 in words is "one hundred ninety-nine million, four hundred eighty-two thousand, six hundred thirty-nine".