3456328649 has 8 divisors (see below), whose sum is σ = 3463609032. Its totient is φ = 3449057920.

The previous prime is 3456328643. The next prime is 3456328661. The reversal of 3456328649 is 9468236543.

It can be written as a sum of positive squares in 4 ways, for example, as 106234249 + 3350094400 = 10307^2 + 57880^2 .

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 3456328649 - 2²⁴ = 3439551433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3456328597 and 3456328606.

It is not an unprimeable number, because it can be changed into a prime (3456328643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450439 + ... + 1452819.

It is an arithmetic number, because the mean of its divisors is an integer number (432951129).

Almost surely, 2^3456328649 is an apocalyptic number.

It is an amenable number.

3456328649 is a deficient number, since it is larger than the sum of its proper divisors (7280383).

3456328649 is a wasteful number, since it uses less digits than its factorization.

3456328649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827.

The product of its digits is 3732480, while the sum is 50.

The square root of 3456328649 is about 58790.5489768551. The cubic root of 3456328649 is about 1511.9531833308.

The spelling of 3456328649 in words is "three billion, four hundred fifty-six million, three hundred twenty-eight thousand, six hundred forty-nine".