3948385593 has 4 divisors (see below), whose sum is σ = 5264514128. Its totient is φ = 2632257060.

The previous prime is 3948385559. The next prime is 3948385607. The reversal of 3948385593 is 3955838493.

It is a happy number.

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 not a de Polignac number, because 3948385593 - 2¹⁴ = 3948369209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3948385513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658064263 + ... + 658064268.

It is an arithmetic number, because the mean of its divisors is an integer number (1316128532).

Almost surely, 2^3948385593 is an apocalyptic number.

It is an amenable number.

3948385593 is a deficient number, since it is larger than the sum of its proper divisors (1316128535).

3948385593 is a wasteful number, since it uses less digits than its factorization.

3948385593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316128534.

The product of its digits is 13996800, while the sum is 57.

The square root of 3948385593 is about 62836.1806048076. The cubic root of 3948385593 is about 1580.5437418461.

Subtracting 3948385593 from its reverse (3955838493), we obtain a square (7452900 = 2730²).

The spelling of 3948385593 in words is "three billion, nine hundred forty-eight million, three hundred eighty-five thousand, five hundred ninety-three".