3298561 has 16 divisors (see below), whose sum is σ = 4074624. Its totient is φ = 2605824.

The previous prime is 3298543. The next prime is 3298577. The reversal of 3298561 is 1658923.

It is a cyclic number.

It is not a de Polignac number, because 3298561 - 2⁹ = 3298049 is a prime.

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

It is a Duffinian number.

3298561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3298511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6046 + ... + 6568.

It is an arithmetic number, because the mean of its divisors is an integer number (254664).

Almost surely, 2^3298561 is an apocalyptic number.

It is an amenable number.

3298561 is a deficient number, since it is larger than the sum of its proper divisors (776063).

3298561 is a wasteful number, since it uses less digits than its factorization.

3298561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600.

The product of its digits is 12960, while the sum is 34.

The square root of 3298561 is about 1816.1940975568. The cubic root of 3298561 is about 148.8589118341.

The spelling of 3298561 in words is "three million, two hundred ninety-eight thousand, five hundred sixty-one".