3959423 has 8 divisors (see below), whose sum is σ = 4306848. Its totient is φ = 3618144.

The previous prime is 3959393. The next prime is 3959441. The reversal of 3959423 is 3249593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3959423 - 2⁶ = 3959359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (538356).

Almost surely, 2^3959423 is an apocalyptic number.

3959423 is a deficient number, since it is larger than the sum of its proper divisors (347425).

3959423 is a wasteful number, since it uses less digits than its factorization.

3959423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

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

The square root of 3959423 is about 1989.8298922270. The cubic root of 3959423 is about 158.2015134298.

The spelling of 3959423 in words is "three million, nine hundred fifty-nine thousand, four hundred twenty-three".