1985946 has 16 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 654368.

The previous prime is 1985939. The next prime is 1985987. The reversal of 1985946 is 6495891.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1985898 and 1985907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1326 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

2^1985946 is an apocalyptic number.

1985946 is an abundant number, since it is smaller than the sum of its proper divisors (2031654).

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

1985946 is a wasteful number, since it uses less digits than its factorization.

1985946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813.

The product of its digits is 77760, while the sum is 42.

The square root of 1985946 is about 1409.2359632084. The cubic root of 1985946 is about 125.6962955120.

The spelling of 1985946 in words is "one million, nine hundred eighty-five thousand, nine hundred forty-six".