386293393 has 2 divisors, whose sum is σ = 386293394. Its totient is φ = 386293392.

The previous prime is 386293373. The next prime is 386293399. The reversal of 386293393 is 393392683.

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., 385415424 + 877969 = 19632^2 + 937^2 .

It is an emirp because it is prime and its reverse (393392683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 386293393 - 2⁵ = 386293361 is a prime.

It is not a weakly prime, because it can be changed into another prime (386293399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193146696 + 193146697.

It is an arithmetic number, because the mean of its divisors is an integer number (193146697).

Almost surely, 2^386293393 is an apocalyptic number.

It is an amenable number.

386293393 is a deficient number, since it is larger than the sum of its proper divisors (1).

386293393 is an equidigital number, since it uses as much as digits as its factorization.

386293393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 46.

The square root of 386293393 is about 19654.3479413589. The cubic root of 386293393 is about 728.2923700126.

The spelling of 386293393 in words is "three hundred eighty-six million, two hundred ninety-three thousand, three hundred ninety-three".