408849 has 8 divisors (see below), whose sum is σ = 623040. Its totient is φ = 233616.

The previous prime is 408841. The next prime is 408857. The reversal of 408849 is 948804.

It is an interprime number because it is at equal distance from previous prime (408841) and next prime (408857).

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

It is not a de Polignac number, because 408849 - 2³ = 408841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408841) 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, 9714 + ... + 9755.

It is an arithmetic number, because the mean of its divisors is an integer number (77880).

2⁴⁰⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

408849 is a deficient number, since it is larger than the sum of its proper divisors (214191).

408849 is a wasteful number, since it uses less digits than its factorization.

408849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19479.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 408849 is about 639.4130120665. The cubic root of 408849 is about 74.2200051164.

The spelling of 408849 in words is "four hundred eight thousand, eight hundred forty-nine".