1985941 has 8 divisors (see below), whose sum is σ = 2044224. Its totient is φ = 1928640.

The previous prime is 1985939. The next prime is 1985987. The reversal of 1985941 is 1495891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1985941 - 2¹ = 1985939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1985941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985041) 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, 5725 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

2^1985941 is an apocalyptic number.

It is an amenable number.

1985941 is a deficient number, since it is larger than the sum of its proper divisors (58283).

1985941 is an equidigital number, since it uses as much as digits as its factorization.

1985941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 12960, while the sum is 37.

The square root of 1985941 is about 1409.2341891964. The cubic root of 1985941 is about 125.6961900238.

It can be divided in two parts, 19859 and 41, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 1985941 in words is "one million, nine hundred eighty-five thousand, nine hundred forty-one".