1683382388 has 6 divisors (see below), whose sum is σ = 2945919186. Its totient is φ = 841691192.

The previous prime is 1683382339. The next prime is 1683382403. The reversal of 1683382388 is 8832833861.

It can be written as a sum of positive squares in only one way, i.e., 1640898064 + 42484324 = 40508^2 + 6518^2 .

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 as a sum of consecutive naturals, namely, 210422795 + ... + 210422802.

It is an arithmetic number, because the mean of its divisors is an integer number (490986531).

Almost surely, 2^1683382388 is an apocalyptic number.

It is an amenable number.

1683382388 is a deficient number, since it is larger than the sum of its proper divisors (1262536798).

1683382388 is a wasteful number, since it uses less digits than its factorization.

1683382388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420845601 (or 420845599 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 1683382388 is about 41029.0432255006. The cubic root of 1683382388 is about 1189.5816593205.

The spelling of 1683382388 in words is "one billion, six hundred eighty-three million, three hundred eighty-two thousand, three hundred eighty-eight".