3421949 has 4 divisors (see below), whose sum is σ = 3434940. Its totient is φ = 3408960.

The previous prime is 3421939. The next prime is 3421993. The reversal of 3421949 is 9491243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9491243 = 1163 ⋅8161.

It can be written as a sum of positive squares in 2 ways, for example, as 1545049 + 1876900 = 1243^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421949 - 2²⁰ = 2373373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421939) 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, 6092 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (858735).

Almost surely, 2^3421949 is an apocalyptic number.

It is an amenable number.

3421949 is a deficient number, since it is larger than the sum of its proper divisors (12991).

3421949 is a wasteful number, since it uses less digits than its factorization.

3421949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990.

The product of its digits is 7776, while the sum is 32.

The square root of 3421949 is about 1849.8510750869. The cubic root of 3421949 is about 150.6923402574.

The spelling of 3421949 in words is "three million, four hundred twenty-one thousand, nine hundred forty-nine".