1986093 has 16 divisors (see below), whose sum is σ = 3116160. Its totient is φ = 1245888.

The previous prime is 1986071. The next prime is 1986097. The reversal of 1986093 is 3906891.

It is not a de Polignac number, because 1986093 - 2⁶ = 1986029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705 + ... + 2622.

It is an arithmetic number, because the mean of its divisors is an integer number (194760).

2^1986093 is an apocalyptic number.

It is an amenable number.

1986093 is a deficient number, since it is larger than the sum of its proper divisors (1130067).

1986093 is a wasteful number, since it uses less digits than its factorization.

1986093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1986093 is about 1409.2881181646. The cubic root of 1986093 is about 125.6993967880.

The spelling of 1986093 in words is "one million, nine hundred eighty-six thousand, ninety-three".