3913409 has 8 divisors (see below), whose sum is σ = 4139520. Its totient is φ = 3693600.

The previous prime is 3913397. The next prime is 3913421. The reversal of 3913409 is 9043193.

It is an interprime number because it is at equal distance from previous prime (3913397) and next prime (3913421).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3913409 - 2¹⁶ = 3847873 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913489) 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 7 ways as a sum of consecutive naturals, for example, 269 + ... + 2810.

It is an arithmetic number, because the mean of its divisors is an integer number (517440).

Almost surely, 2^3913409 is an apocalyptic number.

It is an amenable number.

3913409 is a deficient number, since it is larger than the sum of its proper divisors (226111).

3913409 is a wasteful number, since it uses less digits than its factorization.

3913409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3913409 is about 1978.2338082239. The cubic root of 3913409 is about 157.5862834524.

The spelling of 3913409 in words is "three million, nine hundred thirteen thousand, four hundred nine".