408546 has 12 divisors (see below), whose sum is σ = 885222. Its totient is φ = 136176.

The previous prime is 408539. The next prime is 408553. The reversal of 408546 is 645804.

It is an interprime number because it is at equal distance from previous prime (408539) and next prime (408553).

It can be written as a sum of positive squares in only one way, i.e., 408321 + 225 = 639^2 + 15^2 .

It is a Curzon number.

It is an unprimeable number.

408546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 11331 + ... + 11366.

2⁴⁰⁸⁵⁴⁶ is an apocalyptic number.

408546 is an abundant number, since it is smaller than the sum of its proper divisors (476676).

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

408546 is a wasteful number, since it uses less digits than its factorization.

408546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22705 (or 22702 counting only the distinct ones).

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

The square root of 408546 is about 639.1760320913. The cubic root of 408546 is about 74.2016656485.

The spelling of 408546 in words is "four hundred eight thousand, five hundred forty-six".