199952641 has 8 divisors (see below), whose sum is σ = 228783744. Its totient is φ = 171188160.

The previous prime is 199952633. The next prime is 199952659. The reversal of 199952641 is 146259991.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 199952641 - 2³ = 199952633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199952591 and 199952600.

It is not an unprimeable number, because it can be changed into a prime (199952611) 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, 10045 + ... + 22378.

It is an arithmetic number, because the mean of its divisors is an integer number (28597968).

Almost surely, 2^199952641 is an apocalyptic number.

It is an amenable number.

199952641 is a deficient number, since it is larger than the sum of its proper divisors (28831103).

199952641 is an equidigital number, since it uses as much as digits as its factorization.

199952641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33311.

The product of its digits is 174960, while the sum is 46.

The square root of 199952641 is about 14140.4611310947. The cubic root of 199952641 is about 584.7573844800.

The spelling of 199952641 in words is "one hundred ninety-nine million, nine hundred fifty-two thousand, six hundred forty-one".