411720 has 64 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 105984.

The previous prime is 411709. The next prime is 411721. The reversal of 411720 is 27114.

411720 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 411720.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 411720.

It is not an unprimeable number, because it can be changed into a prime (411721) by changing a digit.

411720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5604 + ... + 5676.

It is an arithmetic number, because the mean of its divisors is an integer number (19980).

2⁴¹¹⁷²⁰ is an apocalyptic number.

411720 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 411720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639360).

411720 is an abundant number, since it is smaller than the sum of its proper divisors (867000).

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

411720 is a wasteful number, since it uses less digits than its factorization.

411720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 411720 is about 641.6541124313. The cubic root of 411720 is about 74.3933281102.

Adding to 411720 its reverse (27114), we get a palindrome (438834).

The spelling of 411720 in words is "four hundred eleven thousand, seven hundred twenty", and thus it is an iban number.