1143982 has 16 divisors (see below), whose sum is σ = 2009952. Its totient is φ = 478080.

The previous prime is 1143977. The next prime is 1144001. The reversal of 1143982 is 2893411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (125622).

2^1143982 is an apocalyptic number.

1143982 is a deficient number, since it is larger than the sum of its proper divisors (865970).

1143982 is a wasteful number, since it uses less digits than its factorization.

1143982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its digits is 1728, while the sum is 28.

The square root of 1143982 is about 1069.5709420137. The cubic root of 1143982 is about 104.5858821020.

It can be divided in two parts, 114 and 3982, that added together give a 12-th power (4096 = 2¹²).

The spelling of 1143982 in words is "one million, one hundred forty-three thousand, nine hundred eighty-two".