408089 has 8 divisors (see below), whose sum is σ = 464832. Its totient is φ = 354640.

The previous prime is 408077. The next prime is 408091. The reversal of 408089 is 980804.

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

It is not a de Polignac number, because 408089 - 2⁸ = 407833 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 408089.

It is not an unprimeable number, because it can be changed into a prime (408019) 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, 554 + ... + 1059.

It is an arithmetic number, because the mean of its divisors is an integer number (58104).

2⁴⁰⁸⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

408089 is a deficient number, since it is larger than the sum of its proper divisors (56743).

408089 is a wasteful number, since it uses less digits than its factorization.

408089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 408089 is about 638.8184405604. The cubic root of 408089 is about 74.1739879712.

The spelling of 408089 in words is "four hundred eight thousand, eighty-nine".