3942593 has 4 divisors (see below), whose sum is σ = 3959748. Its totient is φ = 3925440.

The previous prime is 3942581. The next prime is 3942619. The reversal of 3942593 is 3952493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1787569 + 2155024 = 1337^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 3942593 - 2⁴ = 3942577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3942503) 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, 8228 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (989937).

Almost surely, 2^3942593 is an apocalyptic number.

It is an amenable number.

3942593 is a deficient number, since it is larger than the sum of its proper divisors (17155).

3942593 is a wasteful number, since it uses less digits than its factorization.

3942593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17154.

The product of its digits is 29160, while the sum is 35.

The square root of 3942593 is about 1985.5963839613. The cubic root of 3942593 is about 157.9770436124.

The spelling of 3942593 in words is "three million, nine hundred forty-two thousand, five hundred ninety-three".