3910993 has 2 divisors, whose sum is σ = 3910994. Its totient is φ = 3910992.

The previous prime is 3910981. The next prime is 3910997. The reversal of 3910993 is 3990193.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2845969 + 1065024 = 1687^2 + 1032^2 .

It is a cyclic number.

It is not a de Polignac number, because 3910993 - 2¹⁷ = 3779921 is a prime.

It is not a weakly prime, because it can be changed into another prime (3910997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1955496 + 1955497.

It is an arithmetic number, because the mean of its divisors is an integer number (1955497).

Almost surely, 2^3910993 is an apocalyptic number.

It is an amenable number.

3910993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3910993 is an equidigital number, since it uses as much as digits as its factorization.

3910993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 3910993 is about 1977.6230682312. The cubic root of 3910993 is about 157.5538473814.

The spelling of 3910993 in words is "three million, nine hundred ten thousand, nine hundred ninety-three".