3298729 has 12 divisors (see below), whose sum is σ = 4005504. Its totient is φ = 2703624.

The previous prime is 3298717. The next prime is 3298739. The reversal of 3298729 is 9278923.

3298729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3298729 - 2¹⁷ = 3167657 is a prime.

It is a super-2 number, since 2×3298729² = 21763226030882, which contains 22 as substring.

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

It is a Duffinian number.

3298729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3298691 and 3298700.

It is not an unprimeable number, because it can be changed into a prime (3298739) 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 11 ways as a sum of consecutive naturals, for example, 337 + ... + 2590.

It is an arithmetic number, because the mean of its divisors is an integer number (333792).

Almost surely, 2^3298729 is an apocalyptic number.

It is an amenable number.

3298729 is a deficient number, since it is larger than the sum of its proper divisors (706775).

3298729 is a wasteful number, since it uses less digits than its factorization.

3298729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964 (or 2957 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 3298729 is about 1816.2403475311. The cubic root of 3298729 is about 148.8614389838.

The spelling of 3298729 in words is "three million, two hundred ninety-eight thousand, seven hundred twenty-nine".