1682607385 has 16 divisors (see below), whose sum is σ = 2157526800. Its totient is φ = 1255274496.

The previous prime is 1682607349. The next prime is 1682607397. The reversal of 1682607385 is 5837062861.

It can be written as a sum of positive squares in 8 ways, for example, as 79085449 + 1603521936 = 8893^2 + 40044^2 .

It is a cyclic number.

It is not a de Polignac number, because 1682607385 - 2⁹ = 1682606873 is a prime.

It is a super-2 number, since 2×1682607385² = 5662335224113076450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 81540 + ... + 100069.

It is an arithmetic number, because the mean of its divisors is an integer number (134845425).

Almost surely, 2^1682607385 is an apocalyptic number.

It is an amenable number.

1682607385 is a deficient number, since it is larger than the sum of its proper divisors (474919415).

1682607385 is a wasteful number, since it uses less digits than its factorization.

1682607385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181740.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 1682607385 is about 41019.5975723800. The cubic root of 1682607385 is about 1189.3990763498.

The spelling of 1682607385 in words is "one billion, six hundred eighty-two million, six hundred seven thousand, three hundred eighty-five".