10308993 has 4 divisors (see below), whose sum is σ = 13745328. Its totient is φ = 6872660.

The previous prime is 10308989. The next prime is 10308997. The reversal of 10308993 is 39980301.

10308993 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.

It is an interprime number because it is at equal distance from previous prime (10308989) and next prime (10308997).

It is a cyclic number.

It is not a de Polignac number, because 10308993 - 2² = 10308989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10308997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718163 + ... + 1718168.

It is an arithmetic number, because the mean of its divisors is an integer number (3436332).

Almost surely, 2^10308993 is an apocalyptic number.

It is an amenable number.

10308993 is a deficient number, since it is larger than the sum of its proper divisors (3436335).

10308993 is an equidigital number, since it uses as much as digits as its factorization.

10308993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436334.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 10308993 is about 3210.7620590757. The cubic root of 10308993 is about 217.6400155400.

The spelling of 10308993 in words is "ten million, three hundred eight thousand, nine hundred ninety-three".