3421611 has 6 divisors (see below), whose sum is σ = 4942340.
Its totient is φ = 2281068.
The previous prime is 3421603. The next prime is 3421631. The reversal of 3421611 is 1161243.
It is a happy number.
3421611 is a `hidden beast` number, since 34 + 21 + 611 = 666.
It is not a de Polignac number, because 3421611 - 23 = 3421603 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3421631) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190081 + ... + 190098.
Almost surely, 23421611 is an apocalyptic number.
3421611 is a deficient number, since it is larger than the sum of its proper divisors (1520729).
3421611 is a wasteful number, since it uses less digits than its factorization.
3421611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380185 (or 380182 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 3421611 is about 1849.7597141251.
The cubic root of 3421611 is about 150.6873785929.
Adding to 3421611 its reverse (1161243), we get a palindrome (4582854).
It can be divided in two parts, 342 and 1611, that added together give a triangular number (1953 = T62).
The spelling of 3421611 in words is "three million, four hundred twenty-one thousand, six hundred eleven".