3398321 has 4 divisors (see below), whose sum is σ = 3577200. Its totient is φ = 3219444.

The previous prime is 3398309. The next prime is 3398327. The reversal of 3398321 is 1238933.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3398321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3398327) 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, 89411 + ... + 89448.

It is an arithmetic number, because the mean of its divisors is an integer number (894300).

Almost surely, 2^3398321 is an apocalyptic number.

It is an amenable number.

3398321 is a deficient number, since it is larger than the sum of its proper divisors (178879).

3398321 is a wasteful number, since it uses less digits than its factorization.

3398321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178878.

The product of its digits is 3888, while the sum is 29.

The square root of 3398321 is about 1843.4535524390. The cubic root of 3398321 is about 150.3447035526.

The spelling of 3398321 in words is "three million, three hundred ninety-eight thousand, three hundred twenty-one".