408366 has 36 divisors (see below), whose sum is σ = 1031472. Its totient is φ = 116424.

The previous prime is 408361. The next prime is 408379. The reversal of 408366 is 663804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 651 + ... + 1113.

It is an arithmetic number, because the mean of its divisors is an integer number (28652).

2⁴⁰⁸³⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515736).

408366 is an abundant number, since it is smaller than the sum of its proper divisors (623106).

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

408366 is a wasteful number, since it uses less digits than its factorization.

408366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 408366 is about 639.0352102975. The cubic root of 408366 is about 74.1907666213.

The spelling of 408366 in words is "four hundred eight thousand, three hundred sixty-six".