3959437 has 4 divisors (see below), whose sum is σ = 3988476. Its totient is φ = 3930400.

The previous prime is 3959393. The next prime is 3959441. The reversal of 3959437 is 7349593.

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 3481956 + 477481 = 1866^2 + 691^2 .

It is a cyclic number.

It is not a de Polignac number, because 3959437 - 2¹¹ = 3957389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3959437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959477) 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, 14314 + ... + 14587.

It is an arithmetic number, because the mean of its divisors is an integer number (997119).

Almost surely, 2^3959437 is an apocalyptic number.

It is an amenable number.

3959437 is a deficient number, since it is larger than the sum of its proper divisors (29039).

3959437 is a wasteful number, since it uses less digits than its factorization.

3959437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29038.

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

The square root of 3959437 is about 1989.8334101125. The cubic root of 3959437 is about 158.2016998895.

The spelling of 3959437 in words is "three million, nine hundred fifty-nine thousand, four hundred thirty-seven".