1682336687 has 6 divisors (see below), whose sum is σ = 1722372552. Its totient is φ = 1643210772.

The previous prime is 1682336681. The next prime is 1682336707. The reversal of 1682336687 is 7866332861.

It is not a de Polignac number, because 1682336687 - 2⁸ = 1682336431 is a prime.

It is a super-2 number, since 2×1682336687² = 5660513456852271938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682336681) 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 5 ways as a sum of consecutive naturals, for example, 453083 + ... + 456780.

It is an arithmetic number, because the mean of its divisors is an integer number (287062092).

Almost surely, 2^1682336687 is an apocalyptic number.

1682336687 is a deficient number, since it is larger than the sum of its proper divisors (40035865).

1682336687 is an frugal number, since it uses more digits than its factorization.

1682336687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909949 (or 909906 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 50.

The square root of 1682336687 is about 41016.2978217196. The cubic root of 1682336687 is about 1189.3352893920.

The spelling of 1682336687 in words is "one billion, six hundred eighty-two million, three hundred thirty-six thousand, six hundred eighty-seven".