4993811 has 2 divisors, whose sum is σ = 4993812. Its totient is φ = 4993810.

The previous prime is 4993777. The next prime is 4993817. The reversal of 4993811 is 1183994.

4993811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4993811 - 2¹⁰ = 4992787 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (4993817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496905 + 2496906.

It is an arithmetic number, because the mean of its divisors is an integer number (2496906).

Almost surely, 2^4993811 is an apocalyptic number.

4993811 is a deficient number, since it is larger than the sum of its proper divisors (1).

4993811 is an equidigital number, since it uses as much as digits as its factorization.

4993811 is an evil number, because the sum of its binary digits is even.

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

The square root of 4993811 is about 2234.6836465146. The cubic root of 4993811 is about 170.9270119297.

The spelling of 4993811 in words is "four million, nine hundred ninety-three thousand, eight hundred eleven".