3959513 has 4 divisors (see below), whose sum is σ = 3976320. Its totient is φ = 3942708.

The previous prime is 3959507. The next prime is 3959531. The reversal of 3959513 is 3159593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3159593 = 113 ⋅27961.

It is a cyclic number.

It is not a de Polignac number, because 3959513 - 2⁸ = 3959257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3953513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8045 + ... + 8522.

It is an arithmetic number, because the mean of its divisors is an integer number (994080).

Almost surely, 2^3959513 is an apocalyptic number.

It is an amenable number.

3959513 is a deficient number, since it is larger than the sum of its proper divisors (16807).

3959513 is a wasteful number, since it uses less digits than its factorization.

3959513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16806.

The product of its digits is 18225, while the sum is 35.

The square root of 3959513 is about 1989.8525070969. The cubic root of 3959513 is about 158.2027120917.

The spelling of 3959513 in words is "three million, nine hundred fifty-nine thousand, five hundred thirteen".