3959739 has 48 divisors (see below), whose sum is σ = 7086240. Its totient is φ = 2177280.

The previous prime is 3959729. The next prime is 3959801. The reversal of 3959739 is 9379593.

It is not a de Polignac number, because 3959739 - 2⁵ = 3959707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3959694 and 3959703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54207 + ... + 54279.

It is an arithmetic number, because the mean of its divisors is an integer number (147630).

Almost surely, 2^3959739 is an apocalyptic number.

3959739 is a deficient number, since it is larger than the sum of its proper divisors (3126501).

3959739 is a wasteful number, since it uses less digits than its factorization.

3959739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 124 counting only the distinct ones).

The product of its digits is 229635, while the sum is 45.

The square root of 3959739 is about 1989.9092944152. The cubic root of 3959739 is about 158.2057219848.

The spelling of 3959739 in words is "three million, nine hundred fifty-nine thousand, seven hundred thirty-nine".