393485065 has 4 divisors (see below), whose sum is σ = 472182084. Its totient is φ = 314788048.

The previous prime is 393485063. The next prime is 393485089. The reversal of 393485065 is 560584393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560584393 = 199 ⋅2817007.

It can be written as a sum of positive squares in 2 ways, for example, as 203376121 + 190108944 = 14261^2 + 13788^2 .

It is a cyclic number.

It is not a de Polignac number, because 393485065 - 2¹ = 393485063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393485063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39348502 + ... + 39348511.

It is an arithmetic number, because the mean of its divisors is an integer number (118045521).

Almost surely, 2^393485065 is an apocalyptic number.

It is an amenable number.

393485065 is a deficient number, since it is larger than the sum of its proper divisors (78697019).

393485065 is an equidigital number, since it uses as much as digits as its factorization.

393485065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78697018.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 393485065 is about 19836.4579751527. The cubic root of 393485065 is about 732.7841792057.

The spelling of 393485065 in words is "three hundred ninety-three million, four hundred eighty-five thousand, sixty-five".