199311629 has 8 divisors (see below), whose sum is σ = 226884672. Its totient is φ = 173314240.

The previous prime is 199311611. The next prime is 199311649. The reversal of 199311629 is 926113991.

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

It is a de Polignac number, because none of the positive numbers 2^k-199311629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199311649) 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, 393644 + ... + 394149.

It is an arithmetic number, because the mean of its divisors is an integer number (28360584).

Almost surely, 2^199311629 is an apocalyptic number.

It is an amenable number.

199311629 is a deficient number, since it is larger than the sum of its proper divisors (27573043).

199311629 is a wasteful number, since it uses less digits than its factorization.

199311629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787827.

The product of its digits is 26244, while the sum is 41.

The square root of 199311629 is about 14117.7770558966. Note that the first 3 decimals coincide. The cubic root of 199311629 is about 584.1318400740.

The spelling of 199311629 in words is "one hundred ninety-nine million, three hundred eleven thousand, six hundred twenty-nine".