1682738385 has 16 divisors (see below), whose sum is σ = 2693040000. Its totient is φ = 897240960.

The previous prime is 1682738383. The next prime is 1682738417. The reversal of 1682738385 is 5838372861.

It is not a de Polignac number, because 1682738385 - 2¹ = 1682738383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1682738381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63765 + ... + 86205.

It is an arithmetic number, because the mean of its divisors is an integer number (168315000).

Almost surely, 2^1682738385 is an apocalyptic number.

1682738385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1682738385 is a deficient number, since it is larger than the sum of its proper divisors (1010301615).

1682738385 is a wasteful number, since it uses less digits than its factorization.

1682738385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27448.

The product of its digits is 1935360, while the sum is 51.

The square root of 1682738385 is about 41021.1943390243. The cubic root of 1682738385 is about 1189.4299425790.

The spelling of 1682738385 in words is "one billion, six hundred eighty-two million, seven hundred thirty-eight thousand, three hundred eighty-five".