199962993 has 8 divisors (see below), whose sum is σ = 282300768. Its totient is φ = 125466944.

The previous prime is 199962979. The next prime is 199963003. The reversal of 199962993 is 399269991.

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 199962993 - 2⁶ = 199962929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199962923) 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, 1960371 + ... + 1960472.

It is an arithmetic number, because the mean of its divisors is an integer number (35287596).

Almost surely, 2^199962993 is an apocalyptic number.

It is an amenable number.

199962993 is a deficient number, since it is larger than the sum of its proper divisors (82337775).

199962993 is a wasteful number, since it uses less digits than its factorization.

199962993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920863.

The product of its digits is 2125764, while the sum is 57.

The square root of 199962993 is about 14140.8271681681. The cubic root of 199962993 is about 584.7674757095.

The spelling of 199962993 in words is "one hundred ninety-nine million, nine hundred sixty-two thousand, nine hundred ninety-three".