10418993 has 4 divisors (see below), whose sum is σ = 11220468. Its totient is φ = 9617520.

The previous prime is 10418971. The next prime is 10419001. The reversal of 10418993 is 39981401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39981401 = 29 ⋅1378669.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 6466849 = 1988^2 + 2543^2 .

It is a cyclic number.

It is not a de Polignac number, because 10418993 - 2⁶ = 10418929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10418923) 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, 400718 + ... + 400743.

It is an arithmetic number, because the mean of its divisors is an integer number (2805117).

Almost surely, 2^10418993 is an apocalyptic number.

10418993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10418993 is a deficient number, since it is larger than the sum of its proper divisors (801475).

10418993 is an equidigital number, since it uses as much as digits as its factorization.

10418993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801474.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10418993 is about 3227.8464957306. The cubic root of 10418993 is about 218.4113728888.

It can be divided in two parts, 10418 and 993, that added together give a palindrome (11411).

The spelling of 10418993 in words is "ten million, four hundred eighteen thousand, nine hundred ninety-three".