3448729 has 8 divisors (see below), whose sum is σ = 3560480. Its totient is φ = 3338496.

The previous prime is 3448721. The next prime is 3448751. The reversal of 3448729 is 9278443.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3448729 - 2³ = 3448721 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 4 + 4¹⁰ + 8⁷ + 7⁶ + 2¹³ + 9 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3448721) 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 7 ways as a sum of consecutive naturals, for example, 5689 + ... + 6265.

It is an arithmetic number, because the mean of its divisors is an integer number (445060).

Almost surely, 2^3448729 is an apocalyptic number.

It is an amenable number.

3448729 is a deficient number, since it is larger than the sum of its proper divisors (111751).

3448729 is a wasteful number, since it uses less digits than its factorization.

3448729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759.

The product of its digits is 48384, while the sum is 37.

The square root of 3448729 is about 1857.0753888844. The cubic root of 3448729 is about 151.0844227706.

The spelling of 3448729 in words is "three million, four hundred forty-eight thousand, seven hundred twenty-nine".