411985 has 16 divisors (see below), whose sum is σ = 576000. Its totient is φ = 277056.

The previous prime is 411967. The next prime is 411991. The reversal of 411985 is 589114.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 411985 - 2⁹ = 411473 is a prime.

Its product of digits (1440) is a multiple of the sum of its prime divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2⁴¹¹⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

411985 is a deficient number, since it is larger than the sum of its proper divisors (164015).

411985 is a wasteful number, since it uses less digits than its factorization.

411985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its digits is 1440, while the sum is 28.

The square root of 411985 is about 641.8605767610. The cubic root of 411985 is about 74.4092855601.

The spelling of 411985 in words is "four hundred eleven thousand, nine hundred eighty-five".