1828216647 has 12 divisors (see below), whose sum is σ = 2643961320. Its totient is φ = 1217332368.

The previous prime is 1828216631. The next prime is 1828216673. The reversal of 1828216647 is 7466128281.

It is not a de Polignac number, because 1828216647 - 2⁴ = 1828216631 is a prime.

It is a super-2 number, since 2×1828216647² = 6684752216735845218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828216147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115372 + ... + 130257.

It is an arithmetic number, because the mean of its divisors is an integer number (220330110).

Almost surely, 2^1828216647 is an apocalyptic number.

1828216647 is a deficient number, since it is larger than the sum of its proper divisors (815744673).

1828216647 is a wasteful number, since it uses less digits than its factorization.

1828216647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246462 (or 246459 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 1828216647 is about 42757.6501576034. The cubic root of 1828216647 is about 1222.7637440162.

The spelling of 1828216647 in words is "one billion, eight hundred twenty-eight million, two hundred sixteen thousand, six hundred forty-seven".