404866 has 24 divisors (see below), whose sum is σ = 766080. Its totient is φ = 157080.

The previous prime is 404851. The next prime is 404941. The reversal of 404866 is 668404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1575 + ... + 1813.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2⁴⁰⁴⁸⁶⁶ is an apocalyptic number.

404866 is a deficient number, since it is larger than the sum of its proper divisors (361214).

404866 is a wasteful number, since it uses less digits than its factorization.

404866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 404866 is about 636.2908140151. The cubic root of 404866 is about 73.9782015170.

It can be divided in two parts, 4048 and 66, that added together give a palindrome (4114).

The spelling of 404866 in words is "four hundred four thousand, eight hundred sixty-six".