1685873862 has 12 divisors (see below), whose sum is σ = 3652726740. Its totient is φ = 561957948.

The previous prime is 1685873801. The next prime is 1685873863. The reversal of 1685873862 is 2683785861.

It is a junction number, because it is equal to n+sod(n) for n = 1685873799 and 1685873808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1685873863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46829812 + ... + 46829847.

It is an arithmetic number, because the mean of its divisors is an integer number (304393895).

Almost surely, 2^1685873862 is an apocalyptic number.

1685873862 is an abundant number, since it is smaller than the sum of its proper divisors (1966852878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1685873862 is a wasteful number, since it uses less digits than its factorization.

1685873862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93659667 (or 93659664 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 1685873862 is about 41059.3943209103. The cubic root of 1685873862 is about 1190.1682463432.

The spelling of 1685873862 in words is "one billion, six hundred eighty-five million, eight hundred seventy-three thousand, eight hundred sixty-two".