3959743 has 4 divisors (see below), whose sum is σ = 3966760. Its totient is φ = 3952728.

The previous prime is 3959729. The next prime is 3959801. The reversal of 3959743 is 3479593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3479593 = 13 ⋅267661.

It is a cyclic number.

It is not a de Polignac number, because 3959743 - 2¹³ = 3951551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3959696 and 3959705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959143) 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, 2580 + ... + 3817.

It is an arithmetic number, because the mean of its divisors is an integer number (991690).

Almost surely, 2^3959743 is an apocalyptic number.

3959743 is a deficient number, since it is larger than the sum of its proper divisors (7017).

3959743 is an equidigital number, since it uses as much as digits as its factorization.

3959743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016.

The product of its digits is 102060, while the sum is 40.

The square root of 3959743 is about 1989.9102994859. The cubic root of 3959743 is about 158.2057752562.

The spelling of 3959743 in words is "three million, nine hundred fifty-nine thousand, seven hundred forty-three".