405366 has 16 divisors (see below), whose sum is σ = 873264. Its totient is φ = 124704.

The previous prime is 405347. The next prime is 405373. The reversal of 405366 is 663504.

405366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521 + ... + 2676.

It is an arithmetic number, because the mean of its divisors is an integer number (54579).

2⁴⁰⁵³⁶⁶ is an apocalyptic number.

405366 is an abundant number, since it is smaller than the sum of its proper divisors (467898).

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

405366 is a wasteful number, since it uses less digits than its factorization.

405366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 405366 is about 636.6835948884. The cubic root of 405366 is about 74.0086427694.

The spelling of 405366 in words is "four hundred five thousand, three hundred sixty-six".