1682360405 has 12 divisors (see below), whose sum is σ = 2219048076. Its totient is φ = 1223534400.

The previous prime is 1682360387. The next prime is 1682360479. The reversal of 1682360405 is 5040632861.

It can be written as a sum of positive squares in 2 ways, for example, as 317944561 + 1364415844 = 17831^2 + 36938^2 .

It is not a de Polignac number, because 1682360405 - 2²⁸ = 1413924949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1389776 + ... + 1390985.

It is an arithmetic number, because the mean of its divisors is an integer number (184920673).

Almost surely, 2^1682360405 is an apocalyptic number.

It is an amenable number.

1682360405 is a deficient number, since it is larger than the sum of its proper divisors (536687671).

1682360405 is a wasteful number, since it uses less digits than its factorization.

1682360405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780788 (or 2780777 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1682360405 is about 41016.5869496720. The cubic root of 1682360405 is about 1189.3408785471.

The spelling of 1682360405 in words is "one billion, six hundred eighty-two million, three hundred sixty thousand, four hundred five".