408354 has 8 divisors (see below), whose sum is σ = 816720. Its totient is φ = 136116.

The previous prime is 408347. The next prime is 408361. The reversal of 408354 is 453804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (408347) and next prime (408361).

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

408354 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34024 + ... + 34035.

It is an arithmetic number, because the mean of its divisors is an integer number (102090).

2⁴⁰⁸³⁵⁴ is an apocalyptic number.

408354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408354 is a wasteful number, since it uses less digits than its factorization.

408354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68064.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 408354 is about 639.0258210745. The cubic root of 408354 is about 74.1900399056.

The spelling of 408354 in words is "four hundred eight thousand, three hundred fifty-four".