4993931 has 2 divisors, whose sum is σ = 4993932. Its totient is φ = 4993930.

The previous prime is 4993913. The next prime is 4993943. The reversal of 4993931 is 1393994.

Together with previous prime (4993913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4993931 - 2⁶ = 4993867 is a prime.

It is a super-2 number, since 2×4993931² = 49878693665522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4993951) 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 as a sum of consecutive naturals, namely, 2496965 + 2496966.

It is an arithmetic number, because the mean of its divisors is an integer number (2496966).

Almost surely, 2^4993931 is an apocalyptic number.

4993931 is a deficient number, since it is larger than the sum of its proper divisors (1).

4993931 is an equidigital number, since it uses as much as digits as its factorization.

4993931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 38.

The square root of 4993931 is about 2234.7104957913. The cubic root of 4993931 is about 170.9283810295.

The spelling of 4993931 in words is "four million, nine hundred ninety-three thousand, nine hundred thirty-one".