3945593 has 4 divisors (see below), whose sum is σ = 3954000. Its totient is φ = 3937188.

The previous prime is 3945527. The next prime is 3945607. The reversal of 3945593 is 3955493.

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 3945593 - 2¹⁴ = 3929209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3944593) 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, 3455 + ... + 4452.

It is an arithmetic number, because the mean of its divisors is an integer number (988500).

Almost surely, 2^3945593 is an apocalyptic number.

It is an amenable number.

3945593 is a deficient number, since it is larger than the sum of its proper divisors (8407).

3945593 is an equidigital number, since it uses as much as digits as its factorization.

3945593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8406.

The product of its digits is 72900, while the sum is 38.

The square root of 3945593 is about 1986.3516808461. The cubic root of 3945593 is about 158.0171027793.

The spelling of 3945593 in words is "three million, nine hundred forty-five thousand, five hundred ninety-three".