4181393 has 2 divisors, whose sum is σ = 4181394. Its totient is φ = 4181392.

The previous prime is 4181383. The next prime is 4181413. The reversal of 4181393 is 3931814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2999824 + 1181569 = 1732^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 4181393 - 2⁸ = 4181137 is a prime.

It is not a weakly prime, because it can be changed into another prime (4181323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090696 + 2090697.

It is an arithmetic number, because the mean of its divisors is an integer number (2090697).

Almost surely, 2^4181393 is an apocalyptic number.

It is an amenable number.

4181393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4181393 is an equidigital number, since it uses as much as digits as its factorization.

4181393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 4181393 is about 2044.8454709342. The cubic root of 4181393 is about 161.1042494457.

The spelling of 4181393 in words is "four million, one hundred eighty-one thousand, three hundred ninety-three".