406536 has 32 divisors (see below), whose sum is σ = 1095360. Its totient is φ = 124992.

The previous prime is 406531. The next prime is 406547. The reversal of 406536 is 635604.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (406531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 963.

It is an arithmetic number, because the mean of its divisors is an integer number (34230).

2⁴⁰⁶⁵³⁶ is an apocalyptic number.

It is an amenable number.

406536 is an abundant number, since it is smaller than the sum of its proper divisors (688824).

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

406536 is a wasteful number, since it uses less digits than its factorization.

406536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1321 counting only the distinct ones).

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

The square root of 406536 is about 637.6017565848. The cubic root of 406536 is about 74.0797776102.

The spelling of 406536 in words is "four hundred six thousand, five hundred thirty-six".