411987 has 8 divisors (see below), whose sum is σ = 552960. Its totient is φ = 272840.

The previous prime is 411967. The next prime is 411991. The reversal of 411987 is 789114.

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 411987 - 2⁶ = 411923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (411937) 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, 214 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2⁴¹¹⁹⁸⁷ is an apocalyptic number.

411987 is a deficient number, since it is larger than the sum of its proper divisors (140973).

411987 is a wasteful number, since it uses less digits than its factorization.

411987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its digits is 2016, while the sum is 30.

The square root of 411987 is about 641.8621347299. The cubic root of 411987 is about 74.4094059677.

The spelling of 411987 in words is "four hundred eleven thousand, nine hundred eighty-seven".