199960005 has 32 divisors (see below), whose sum is σ = 367718400. Its totient is φ = 90891072.

The previous prime is 199960003. The next prime is 199960037. The reversal of 199960005 is 500069991.

It is not a de Polignac number, because 199960005 - 2¹ = 199960003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199960003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13476 + ... + 24114.

It is an arithmetic number, because the mean of its divisors is an integer number (11491200).

Almost surely, 2^199960005 is an apocalyptic number.

199960005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199960005 is a deficient number, since it is larger than the sum of its proper divisors (167758395).

199960005 is a wasteful number, since it uses less digits than its factorization.

199960005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 199960005 is about 14140.7215162452. The cubic root of 199960005 is about 584.7645630140.

The spelling of 199960005 in words is "one hundred ninety-nine million, nine hundred sixty thousand, five".