3298661 has 4 divisors (see below), whose sum is σ = 3387852. Its totient is φ = 3209472.

The previous prime is 3298657. The next prime is 3298681. The reversal of 3298661 is 1668923.

3298661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1668923 = 47 ⋅35509.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 1366561 = 1390^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 3298661 - 2² = 3298657 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 (3298621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44540 + ... + 44613.

It is an arithmetic number, because the mean of its divisors is an integer number (846963).

Almost surely, 2^3298661 is an apocalyptic number.

It is an amenable number.

3298661 is a deficient number, since it is larger than the sum of its proper divisors (89191).

3298661 is an equidigital number, since it uses as much as digits as its factorization.

3298661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89190.

The product of its digits is 15552, while the sum is 35.

The square root of 3298661 is about 1816.2216274453. The cubic root of 3298661 is about 148.8604161002.

The spelling of 3298661 in words is "three million, two hundred ninety-eight thousand, six hundred sixty-one".