408454 has 8 divisors (see below), whose sum is σ = 615528. Its totient is φ = 203280.

The previous prime is 408437. The next prime is 408461. The reversal of 408454 is 454804.

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

It is a congruent number.

It is an unprimeable number.

408454 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, 354 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (76941).

2⁴⁰⁸⁴⁵⁴ is an apocalyptic number.

408454 is a deficient number, since it is larger than the sum of its proper divisors (207074).

408454 is a wasteful number, since it uses less digits than its factorization.

408454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 408454 is about 639.1040603845. The cubic root of 408454 is about 74.1960954346.

The spelling of 408454 in words is "four hundred eight thousand, four hundred fifty-four".