409882 has 16 divisors (see below), whose sum is σ = 693504. Its totient is φ = 180000.

The previous prime is 409879. The next prime is 409889. The reversal of 409882 is 288904.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (409889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (43344).

2⁴⁰⁹⁸⁸² is an apocalyptic number.

409882 is a deficient number, since it is larger than the sum of its proper divisors (283622).

409882 is a wasteful number, since it uses less digits than its factorization.

409882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 409882 is about 640.2202745930. The cubic root of 409882 is about 74.2824607620.

The spelling of 409882 in words is "four hundred nine thousand, eight hundred eighty-two".