3298321 has 4 divisors (see below), whose sum is σ = 3552052. Its totient is φ = 3044592.

The previous prime is 3298313. The next prime is 3298367. The reversal of 3298321 is 1238923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1238923 = 7 ⋅176989.

It can be written as a sum of positive squares in 2 ways, for example, as 408321 + 2890000 = 639^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 3298321 - 2³ = 3298313 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3298321.

It is not an unprimeable number, because it can be changed into a prime (3298621) 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, 126846 + ... + 126871.

It is an arithmetic number, because the mean of its divisors is an integer number (888013).

Almost surely, 2^3298321 is an apocalyptic number.

It is an amenable number.

3298321 is a deficient number, since it is larger than the sum of its proper divisors (253731).

3298321 is a wasteful number, since it uses less digits than its factorization.

3298321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253730.

The product of its digits is 2592, while the sum is 28.

The square root of 3298321 is about 1816.1280241216. The cubic root of 3298321 is about 148.8553014713.

The spelling of 3298321 in words is "three million, two hundred ninety-eight thousand, three hundred twenty-one".