408383 has 4 divisors (see below), whose sum is σ = 417120. Its totient is φ = 399648.

The previous prime is 408379. The next prime is 408389. The reversal of 408383 is 383804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 408383 - 2² = 408379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408389) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4298 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (104280).

2⁴⁰⁸³⁸³ is an apocalyptic number.

408383 is a deficient number, since it is larger than the sum of its proper divisors (8737).

408383 is an equidigital number, since it uses as much as digits as its factorization.

408383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 408383 is about 639.0485114606. The cubic root of 408383 is about 74.1917961108.

The spelling of 408383 in words is "four hundred eight thousand, three hundred eighty-three".