411945 has 16 divisors (see below), whose sum is σ = 682560. Its totient is φ = 211904.

The previous prime is 411941. The next prime is 411947. The reversal of 411945 is 549114.

It is a cyclic number.

It is not a de Polignac number, because 411945 - 2² = 411941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (411941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39 + ... + 908.

It is an arithmetic number, because the mean of its divisors is an integer number (42660).

2⁴¹¹⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

411945 is a deficient number, since it is larger than the sum of its proper divisors (270615).

411945 is a wasteful number, since it uses less digits than its factorization.

411945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its digits is 720, while the sum is 24.

The square root of 411945 is about 641.8294165898. The cubic root of 411945 is about 74.4068773270.

The spelling of 411945 in words is "four hundred eleven thousand, nine hundred forty-five".