411520 has 32 divisors (see below), whose sum is σ = 985320. Its totient is φ = 164352.

The previous prime is 411503. The next prime is 411527. The reversal of 411520 is 25114.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 411520.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 411520.

It is not an unprimeable number, because it can be changed into a prime (411527) by changing a digit.

411520 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 961.

2⁴¹¹⁵²⁰ is an apocalyptic number.

411520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492660).

411520 is an abundant number, since it is smaller than the sum of its proper divisors (573800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

411520 is an equidigital number, since it uses as much as digits as its factorization.

411520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 411520 is about 641.4982462953. The cubic root of 411520 is about 74.3812802173.

Adding to 411520 its reverse (25114), we get a palindrome (436634).

The spelling of 411520 in words is "four hundred eleven thousand, five hundred twenty".