3421613 has 4 divisors (see below), whose sum is σ = 3684828. Its totient is φ = 3158400.

The previous prime is 3421603. The next prime is 3421631. The reversal of 3421613 is 3161243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3161243 = 37 ⋅85439.

It can be written as a sum of positive squares in 2 ways, for example, as 316969 + 3104644 = 563^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421613 - 2⁴ = 3421597 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 (3421603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131588 + ... + 131613.

It is an arithmetic number, because the mean of its divisors is an integer number (921207).

Almost surely, 2^3421613 is an apocalyptic number.

It is an amenable number.

3421613 is a deficient number, since it is larger than the sum of its proper divisors (263215).

3421613 is a wasteful number, since it uses less digits than its factorization.

3421613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263214.

The product of its digits is 432, while the sum is 20.

The square root of 3421613 is about 1849.7602547357. The cubic root of 3421613 is about 150.6874079528.

Adding to 3421613 its reverse (3161243), we get a palindrome (6582856).

The spelling of 3421613 in words is "three million, four hundred twenty-one thousand, six hundred thirteen".