4993867 has 2 divisors, whose sum is σ = 4993868. Its totient is φ = 4993866.

The previous prime is 4993847. The next prime is 4993871. The reversal of 4993867 is 7683994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4993867 is a prime.

It is a super-2 number, since 2×4993867² = 49877415227378, which contains 22 as substring.

4993867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4993817) 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, 2496933 + 2496934.

It is an arithmetic number, because the mean of its divisors is an integer number (2496934).

Almost surely, 2^4993867 is an apocalyptic number.

4993867 is a deficient number, since it is larger than the sum of its proper divisors (1).

4993867 is an equidigital number, since it uses as much as digits as its factorization.

4993867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 4993867 is about 2234.6961762173. The cubic root of 4993867 is about 170.9276508456.

It can be divided in two parts, 49938 and 67, that added together give a palindrome (50005).

The spelling of 4993867 in words is "four million, nine hundred ninety-three thousand, eight hundred sixty-seven".