408455 has 8 divisors (see below), whose sum is σ = 494304. Its totient is φ = 324000.

The previous prime is 408437. The next prime is 408461. The reversal of 408455 is 554804.

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

It is a de Polignac number, because none of the positive numbers 2^k-408455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (61788).

2⁴⁰⁸⁴⁵⁵ is an apocalyptic number.

408455 is a deficient number, since it is larger than the sum of its proper divisors (85849).

408455 is a wasteful number, since it uses less digits than its factorization.

408455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 408455 is about 639.1048427293. The cubic root of 408455 is about 74.1961559849.

The spelling of 408455 in words is "four hundred eight thousand, four hundred fifty-five".