3935913 has 4 divisors (see below), whose sum is σ = 5247888. Its totient is φ = 2623940.

The previous prime is 3935887. The next prime is 3935917. The reversal of 3935913 is 3195393.

3935913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 3195393 = 3 ⋅1065131.

It is a cyclic number.

It is not a de Polignac number, because 3935913 - 2¹² = 3931817 is a prime.

It is a super-2 number, since 2×3935913² = 30982822287138, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3935917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655983 + ... + 655988.

It is an arithmetic number, because the mean of its divisors is an integer number (1311972).

Almost surely, 2^3935913 is an apocalyptic number.

It is an amenable number.

3935913 is a deficient number, since it is larger than the sum of its proper divisors (1311975).

3935913 is a wasteful number, since it uses less digits than its factorization.

3935913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311974.

The product of its digits is 10935, while the sum is 33.

The square root of 3935913 is about 1983.9135565846. The cubic root of 3935913 is about 157.8877721431.

The spelling of 3935913 in words is "three million, nine hundred thirty-five thousand, nine hundred thirteen".