4006305993 has 8 divisors (see below), whose sum is σ = 5344221856. Its totient is φ = 2669630400.

The previous prime is 4006305977. The next prime is 4006306013. The reversal of 4006305993 is 3995036004.

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

It is not a de Polignac number, because 4006305993 - 2⁴ = 4006305977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4006305973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302503 + ... + 315468.

It is an arithmetic number, because the mean of its divisors is an integer number (668027732).

Almost surely, 2^4006305993 is an apocalyptic number.

It is an amenable number.

4006305993 is a deficient number, since it is larger than the sum of its proper divisors (1337915863).

4006305993 is a wasteful number, since it uses less digits than its factorization.

4006305993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620135.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 4006305993 is about 63295.3868224217. The cubic root of 4006305993 is about 1588.2347923183.

The spelling of 4006305993 in words is "four billion, six million, three hundred five thousand, nine hundred ninety-three".