406086 has 16 divisors (see below), whose sum is σ = 828144. Its totient is φ = 132704.

The previous prime is 406073. The next prime is 406093. The reversal of 406086 is 680604.

It is a Curzon number.

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, 321 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (51759).

2⁴⁰⁶⁰⁸⁶ is an apocalyptic number.

406086 is an abundant number, since it is smaller than the sum of its proper divisors (422058).

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

406086 is a wasteful number, since it uses less digits than its factorization.

406086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 406086 is about 637.2487740279. The cubic root of 406086 is about 74.0524342282.

The spelling of 406086 in words is "four hundred six thousand, eighty-six".