3936456393 has 4 divisors (see below), whose sum is σ = 5248608528. Its totient is φ = 2624304260.

The previous prime is 3936456379. The next prime is 3936456397. The reversal of 3936456393 is 3936546393.

3936456393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3936456393 - 2⁹ = 3936455881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3936456397) 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, 656076063 + ... + 656076068.

It is an arithmetic number, because the mean of its divisors is an integer number (1312152132).

Almost surely, 2^3936456393 is an apocalyptic number.

It is an amenable number.

3936456393 is a deficient number, since it is larger than the sum of its proper divisors (1312152135).

3936456393 is a wasteful number, since it uses less digits than its factorization.

3936456393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312152134.

The product of its digits is 4723920, while the sum is 51.

The square root of 3936456393 is about 62741.1857793587. The cubic root of 3936456393 is about 1578.9503781539.

Subtracting 3936456393 from its reverse (3936546393), we obtain a square (90000 = 300²).

The spelling of 3936456393 in words is "three billion, nine hundred thirty-six million, four hundred fifty-six thousand, three hundred ninety-three".