1685359382 has 16 divisors (see below), whose sum is σ = 2898484992. Its totient is φ = 719972520.

The previous prime is 1685359373. The next prime is 1685359387. The reversal of 1685359382 is 2839535861.

It is a self number, because there is not a number n which added to its sum of digits gives 1685359382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685359387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189188 + ... + 197895.

It is an arithmetic number, because the mean of its divisors is an integer number (181155312).

Almost surely, 2^1685359382 is an apocalyptic number.

1685359382 is a deficient number, since it is larger than the sum of its proper divisors (1213125610).

1685359382 is a wasteful number, since it uses less digits than its factorization.

1685359382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387403.

The product of its digits is 1555200, while the sum is 50.

The square root of 1685359382 is about 41053.1287723603. The cubic root of 1685359382 is about 1190.0471657035.

The spelling of 1685359382 in words is "one billion, six hundred eighty-five million, three hundred fifty-nine thousand, three hundred eighty-two".