393048407 has 2 divisors, whose sum is σ = 393048408. Its totient is φ = 393048406.

The previous prime is 393048391. The next prime is 393048413. The reversal of 393048407 is 704840393.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 393048407 - 2⁴ = 393048391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393078407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196524203 + 196524204.

It is an arithmetic number, because the mean of its divisors is an integer number (196524204).

Almost surely, 2^393048407 is an apocalyptic number.

393048407 is a deficient number, since it is larger than the sum of its proper divisors (1).

393048407 is an equidigital number, since it uses as much as digits as its factorization.

393048407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 393048407 is about 19825.4484690763. The cubic root of 393048407 is about 732.5130172762.

The spelling of 393048407 in words is "three hundred ninety-three million, forty-eight thousand, four hundred seven".