1087983 has 24 divisors (see below), whose sum is σ = 1795248. Its totient is φ = 628992.

The previous prime is 1087981. The next prime is 1087987. The reversal of 1087983 is 3897801.

It is not a de Polignac number, because 1087983 - 2¹ = 1087981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1716 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (74802).

2^1087983 is an apocalyptic number.

1087983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1087983 is a deficient number, since it is larger than the sum of its proper divisors (707265).

1087983 is a wasteful number, since it uses less digits than its factorization.

1087983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1087983 is about 1043.0642357976. The cubic root of 1087983 is about 102.8507279399.

It can be divided in two parts, 108798 and 3, that added together give a palindrome (108801).

The spelling of 1087983 in words is "one million, eighty-seven thousand, nine hundred eighty-three".