4990993 has 8 divisors (see below), whose sum is σ = 5820800. Its totient is φ = 4277700.

The previous prime is 4990981. The next prime is 4991009. The reversal of 4990993 is 3990994.

It is not a de Polignac number, because 4990993 - 2⁵ = 4990961 is a prime.

It is a super-2 number, since 2×4990993² = 49820022252098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4990933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6933 + ... + 7618.

It is an arithmetic number, because the mean of its divisors is an integer number (727600).

Almost surely, 2^4990993 is an apocalyptic number.

It is an amenable number.

4990993 is a deficient number, since it is larger than the sum of its proper divisors (829807).

4990993 is an equidigital number, since it uses as much as digits as its factorization.

4990993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14572 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 4990993 is about 2234.0530432378. The cubic root of 4990993 is about 170.8948545953.

Subtracting from 4990993 its reverse (3990994), we obtain a palindrome (999999).

The spelling of 4990993 in words is "four million, nine hundred ninety thousand, nine hundred ninety-three".