10843987 has 8 divisors (see below), whose sum is σ = 13519872. Its totient is φ = 8449800.

The previous prime is 10843979. The next prime is 10843993. The reversal of 10843987 is 78934801.

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 10843987 - 2³ = 10843979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10843907) 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, 70339 + ... + 70492.

It is an arithmetic number, because the mean of its divisors is an integer number (1689984).

Almost surely, 2^10843987 is an apocalyptic number.

10843987 is a deficient number, since it is larger than the sum of its proper divisors (2675885).

10843987 is a wasteful number, since it uses less digits than its factorization.

10843987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140849.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 10843987 is about 3293.0209534711. The cubic root of 10843987 is about 221.3415750810.

The spelling of 10843987 in words is "ten million, eight hundred forty-three thousand, nine hundred eighty-seven".