408356 has 12 divisors (see below), whose sum is σ = 769692. Its totient is φ = 188448.

The previous prime is 408347. The next prime is 408361. The reversal of 408356 is 653804.

It can be written as a sum of positive squares in 2 ways, for example, as 28900 + 379456 = 170^2 + 616^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 408356.

It is an unprimeable number.

408356 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3875 + ... + 3978.

It is an arithmetic number, because the mean of its divisors is an integer number (64141).

2⁴⁰⁸³⁵⁶ is an apocalyptic number.

It is an amenable number.

408356 is a deficient number, since it is larger than the sum of its proper divisors (361336).

408356 is a wasteful number, since it uses less digits than its factorization.

408356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870 (or 7868 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 408356 is about 639.0273859546. The cubic root of 408356 is about 74.1901610259.

The spelling of 408356 in words is "four hundred eight thousand, three hundred fifty-six".