8404088393 has 2 divisors, whose sum is σ = 8404088394. Its totient is φ = 8404088392.

The previous prime is 8404088389. The next prime is 8404088411. The reversal of 8404088393 is 3938804048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7650476089 + 753612304 = 87467^2 + 27452^2 .

It is a cyclic number.

It is not a de Polignac number, because 8404088393 - 2² = 8404088389 is a prime.

It is not a weakly prime, because it can be changed into another prime (8404088323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4202044196 + 4202044197.

It is an arithmetic number, because the mean of its divisors is an integer number (4202044197).

Almost surely, 2^8404088393 is an apocalyptic number.

It is an amenable number.

8404088393 is a deficient number, since it is larger than the sum of its proper divisors (1).

8404088393 is an equidigital number, since it uses as much as digits as its factorization.

8404088393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 8404088393 is about 91673.8151982342. The cubic root of 8404088393 is about 2033.1224559920.

The spelling of 8404088393 in words is "eight billion, four hundred four million, eighty-eight thousand, three hundred ninety-three".