408868 has 6 divisors (see below), whose sum is σ = 715526. Its totient is φ = 204432.

The previous prime is 408857. The next prime is 408869. The reversal of 408868 is 868804.

It can be written as a sum of positive squares in only one way, i.e., 369664 + 39204 = 608^2 + 198^2 .

It is not an unprimeable number, because it can be changed into a prime (408869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105 + ... + 51112.

2⁴⁰⁸⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

408868 is a deficient number, since it is larger than the sum of its proper divisors (306658).

408868 is a wasteful number, since it uses less digits than its factorization.

408868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102221 (or 102219 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 408868 is about 639.4278692706. The cubic root of 408868 is about 74.2211548140.

The spelling of 408868 in words is "four hundred eight thousand, eight hundred sixty-eight".