10090993 has 4 divisors (see below), whose sum is σ = 11008368. Its totient is φ = 9173620.

The previous prime is 10090981. The next prime is 10090999. The reversal of 10090993 is 39909001.

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 a cyclic number.

It is not a de Polignac number, because 10090993 - 2⁹ = 10090481 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10090999) 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, 458671 + ... + 458692.

It is an arithmetic number, because the mean of its divisors is an integer number (2752092).

Almost surely, 2^10090993 is an apocalyptic number.

It is an amenable number.

10090993 is a deficient number, since it is larger than the sum of its proper divisors (917375).

10090993 is an equidigital number, since it uses as much as digits as its factorization.

10090993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917374.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 10090993 is about 3176.6323362958. The cubic root of 10090993 is about 216.0949585337.

Adding to 10090993 its reverse (39909001), we get a palindrome (49999994).

The spelling of 10090993 in words is "ten million, ninety thousand, nine hundred ninety-three".