408858 has 16 divisors (see below), whose sum is σ = 828576. Its totient is φ = 134480.

The previous prime is 408857. The next prime is 408869. The reversal of 408858 is 858804.

It is not an unprimeable number, because it can be changed into a prime (408857) 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, 88 + ... + 908.

It is an arithmetic number, because the mean of its divisors is an integer number (51786).

2⁴⁰⁸⁸⁵⁸ is an apocalyptic number.

408858 is an abundant number, since it is smaller than the sum of its proper divisors (419718).

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

408858 is a wasteful number, since it uses less digits than its factorization.

408858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 408858 is about 639.4200497326. The cubic root of 408858 is about 74.2205497144.

The spelling of 408858 in words is "four hundred eight thousand, eight hundred fifty-eight".