408895 has 8 divisors (see below), whose sum is σ = 500256. Its totient is φ = 320736.

The previous prime is 408869. The next prime is 408911. The reversal of 408895 is 598804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 408895 - 2¹³ = 400703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 408895.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (62532).

2⁴⁰⁸⁸⁹⁵ is an apocalyptic number.

408895 is a deficient number, since it is larger than the sum of its proper divisors (91361).

408895 is a wasteful number, since it uses less digits than its factorization.

408895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 408895 is about 639.4489815458. The cubic root of 408895 is about 74.2227885337. Note that the first 3 decimals are identical.

The spelling of 408895 in words is "four hundred eight thousand, eight hundred ninety-five".