3421149 has 4 divisors (see below), whose sum is σ = 4561536. Its totient is φ = 2280764.

The previous prime is 3421109. The next prime is 3421151. The reversal of 3421149 is 9411243.

3421149 is nontrivially palindromic in base 9.

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: 9411243 = 3 ⋅3137081.

It is a cyclic number.

It is not a de Polignac number, because 3421149 - 2⁷ = 3421021 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421109) 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, 570189 + ... + 570194.

It is an arithmetic number, because the mean of its divisors is an integer number (1140384).

Almost surely, 2^3421149 is an apocalyptic number.

It is an amenable number.

3421149 is a deficient number, since it is larger than the sum of its proper divisors (1140387).

3421149 is a wasteful number, since it uses less digits than its factorization.

3421149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140386.

The product of its digits is 864, while the sum is 24.

The square root of 3421149 is about 1849.6348288243. The cubic root of 3421149 is about 150.6805961443.

It can be divided in two parts, 3421 and 149, that added together give a triangular number (3570 = T₈₄).

The spelling of 3421149 in words is "three million, four hundred twenty-one thousand, one hundred forty-nine".