408799 has 8 divisors (see below), whose sum is σ = 438480. Its totient is φ = 379776.

The previous prime is 408787. The next prime is 408803. The reversal of 408799 is 997804.

It is a happy number.

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 408799 - 2¹³ = 400607 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 (408719) 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 7 ways as a sum of consecutive naturals, for example, 2277 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (54810).

2⁴⁰⁸⁷⁹⁹ is an apocalyptic number.

408799 is a deficient number, since it is larger than the sum of its proper divisors (29681).

408799 is a wasteful number, since it uses less digits than its factorization.

408799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 408799 is about 639.3739125113. The cubic root of 408799 is about 74.2169794259.

It can be divided in two parts, 4087 and 99, that added together give a triangular number (4186 = T₉₁).

The spelling of 408799 in words is "four hundred eight thousand, seven hundred ninety-nine".