3421328 has 10 divisors (see below), whose sum is σ = 6628854. Its totient is φ = 1710656.

The previous prime is 3421321. The next prime is 3421331. The reversal of 3421328 is 8231243.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 692224 = 1652^2 + 832^2 .

It is not an unprimeable number, because it can be changed into a prime (3421321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106901 + ... + 106932.

Almost surely, 2^3421328 is an apocalyptic number.

It is an amenable number.

3421328 is a deficient number, since it is larger than the sum of its proper divisors (3207526).

3421328 is a wasteful number, since it uses less digits than its factorization.

3421328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213841 (or 213835 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 3421328 is about 1849.6832161211. The cubic root of 3421328 is about 150.6832240486.

The spelling of 3421328 in words is "three million, four hundred twenty-one thousand, three hundred twenty-eight".