9000993 has 4 divisors (see below), whose sum is σ = 12001328. Its totient is φ = 6000660.

The previous prime is 9000989. The next prime is 9000997. The reversal of 9000993 is 3990009.

9000993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3990009 = 3 ⋅1330003.

It is an interprime number because it is at equal distance from previous prime (9000989) and next prime (9000997).

It is not a de Polignac number, because 9000993 - 2² = 9000989 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9000993.

It is not an unprimeable number, because it can be changed into a prime (9000997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500163 + ... + 1500168.

It is an arithmetic number, because the mean of its divisors is an integer number (3000332).

Almost surely, 2^9000993 is an apocalyptic number.

It is an amenable number.

9000993 is a deficient number, since it is larger than the sum of its proper divisors (3000335).

9000993 is a wasteful number, since it uses less digits than its factorization.

9000993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000334.

The product of its (nonzero) digits is 2187, while the sum is 30.

The square root of 9000993 is about 3000.1654954352. The cubic root of 9000993 is about 208.0160321099.

The spelling of 9000993 in words is "nine million, nine hundred ninety-three", and thus it is an aban number.