406548 has 36 divisors (see below), whose sum is σ = 1074528. Its totient is φ = 129360.

The previous prime is 406547. The next prime is 406559. The reversal of 406548 is 845604.

406548 is a `hidden beast` number, since 4 + 0 + 654 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (29848).

2⁴⁰⁶⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537264).

406548 is an abundant number, since it is smaller than the sum of its proper divisors (667980).

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

406548 is a wasteful number, since it uses less digits than its factorization.

406548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 406548 is about 637.6111667780. The cubic root of 406548 is about 74.0805064908.

The spelling of 406548 in words is "four hundred six thousand, five hundred forty-eight".