411978 has 32 divisors (see below), whose sum is σ = 998784. Its totient is φ = 110592.

The previous prime is 411967. The next prime is 411991. The reversal of 411978 is 879114.

411978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 411978.

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, 426 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (31212).

2⁴¹¹⁹⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499392).

411978 is an abundant number, since it is smaller than the sum of its proper divisors (586806).

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

411978 is a wasteful number, since it uses less digits than its factorization.

411978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606.

The product of its digits is 2016, while the sum is 30.

The square root of 411978 is about 641.8551238403. The cubic root of 411978 is about 74.4088641306.

The spelling of 411978 in words is "four hundred eleven thousand, nine hundred seventy-eight".