3405913 has 4 divisors (see below), whose sum is σ = 3892480. Its totient is φ = 2919348.

The previous prime is 3405907. The next prime is 3405929. The reversal of 3405913 is 3195043.

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: 3195043 = 317 ⋅10079.

It is a cyclic number.

It is not a de Polignac number, because 3405913 - 2⁵ = 3405881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405943) 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, 243273 + ... + 243286.

It is an arithmetic number, because the mean of its divisors is an integer number (973120).

Almost surely, 2^3405913 is an apocalyptic number.

It is an amenable number.

3405913 is a deficient number, since it is larger than the sum of its proper divisors (486567).

3405913 is an equidigital number, since it uses as much as digits as its factorization.

3405913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486566.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3405913 is about 1845.5115821907. The cubic root of 3405913 is about 150.4565791965.

The spelling of 3405913 in words is "three million, four hundred five thousand, nine hundred thirteen".