408486 has 16 divisors (see below), whose sum is σ = 879984. Its totient is φ = 125664.

The previous prime is 408479. The next prime is 408491. The reversal of 408486 is 684804.

It is an Ulam number.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 2541 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (54999).

2⁴⁰⁸⁴⁸⁶ is an apocalyptic number.

408486 is an abundant number, since it is smaller than the sum of its proper divisors (471498).

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

408486 is a wasteful number, since it uses less digits than its factorization.

408486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255.

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

The square root of 408486 is about 639.1290949409. The cubic root of 408486 is about 74.1980329952.

The spelling of 408486 in words is "four hundred eight thousand, four hundred eighty-six".