3958513 has 4 divisors (see below), whose sum is σ = 4263028. Its totient is φ = 3654000.

The previous prime is 3958499. The next prime is 3958523. The reversal of 3958513 is 3158593.

3958513 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3158593 = 29 ⋅108917.

It can be written as a sum of positive squares in 2 ways, for example, as 2537649 + 1420864 = 1593^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 3958513 - 2¹³ = 3950321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3958523) 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, 152238 + ... + 152263.

It is an arithmetic number, because the mean of its divisors is an integer number (1065757).

Almost surely, 2^3958513 is an apocalyptic number.

It is an amenable number.

3958513 is a deficient number, since it is larger than the sum of its proper divisors (304515).

3958513 is a wasteful number, since it uses less digits than its factorization.

3958513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304514.

The product of its digits is 16200, while the sum is 34.

The square root of 3958513 is about 1989.6012163245. The cubic root of 3958513 is about 158.1893926058.

It can be divided in two parts, 39585 and 13, that multiplied together give a triangular number (514605 = T₁₀₁₄).

The spelling of 3958513 in words is "three million, nine hundred fifty-eight thousand, five hundred thirteen".