1985682 has 16 divisors (see below), whose sum is σ = 4144320. Its totient is φ = 633072.

The previous prime is 1985677. The next prime is 1985689. The reversal of 1985682 is 2865891.

It is a self number, because there is not a number n which added to its sum of digits gives 1985682.

It is not an unprimeable number, because it can be changed into a prime (1985689) 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, 7057 + ... + 7332.

It is an arithmetic number, because the mean of its divisors is an integer number (259020).

2^1985682 is an apocalyptic number.

1985682 is an abundant number, since it is smaller than the sum of its proper divisors (2158638).

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

1985682 is a wasteful number, since it uses less digits than its factorization.

1985682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14417.

The product of its digits is 34560, while the sum is 39.

The square root of 1985682 is about 1409.1422923183. The cubic root of 1985682 is about 125.6907254894.

The spelling of 1985682 in words is "one million, nine hundred eighty-five thousand, six hundred eighty-two".