411999 has 16 divisors (see below), whose sum is σ = 655872. Its totient is φ = 224928.

The previous prime is 411991. The next prime is 412001. The reversal of 411999 is 999114.

411999 = 165² + 166² + ... + 178².

It is not a de Polignac number, because 411999 - 2³ = 411991 is a prime.

411999 is a modest number, since divided by 999 gives 411 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411991) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (40992).

2⁴¹¹⁹⁹⁹ is an apocalyptic number.

411999 is a deficient number, since it is larger than the sum of its proper divisors (243873).

411999 is a wasteful number, since it uses less digits than its factorization.

411999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886.

The product of its digits is 2916, while the sum is 33.

The square root of 411999 is about 641.8714824636. The cubic root of 411999 is about 74.4101284049.

The spelling of 411999 in words is "four hundred eleven thousand, nine hundred ninety-nine".