408648 has 16 divisors (see below), whose sum is σ = 1021680. Its totient is φ = 136208.

The previous prime is 408643. The next prime is 408659. The reversal of 408648 is 846804.

408648 is a modest number, since divided by 648 gives 408 as remainder.

It is not an unprimeable number, because it can be changed into a prime (408643) by changing a digit.

408648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8490 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (63855).

2⁴⁰⁸⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

408648 is an abundant number, since it is smaller than the sum of its proper divisors (613032).

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

408648 is a wasteful number, since it uses less digits than its factorization.

408648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17036 (or 17032 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 408648 is about 639.2558173376. The cubic root of 408648 is about 74.2078403429.

The spelling of 408648 in words is "four hundred eight thousand, six hundred forty-eight".