3256630747 has 8 divisors (see below), whose sum is σ = 3278847600. Its totient is φ = 3234432864.

The previous prime is 3256630703. The next prime is 3256630771. The reversal of 3256630747 is 7470366523.

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 3256630747 - 2¹⁹ = 3256106459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3256640747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571629 + ... + 577297.

It is an arithmetic number, because the mean of its divisors is an integer number (409855950).

Almost surely, 2^3256630747 is an apocalyptic number.

3256630747 is a deficient number, since it is larger than the sum of its proper divisors (22216853).

3256630747 is a wasteful number, since it uses less digits than its factorization.

3256630747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 635040, while the sum is 43.

The square root of 3256630747 is about 57066.8971208353. The cubic root of 3256630747 is about 1482.2547120454.

The spelling of 3256630747 in words is "three billion, two hundred fifty-six million, six hundred thirty thousand, seven hundred forty-seven".