408475 has 6 divisors (see below), whose sum is σ = 506540. Its totient is φ = 326760.

The previous prime is 408469. The next prime is 408479. The reversal of 408475 is 574804.

It is not a de Polignac number, because 408475 - 2⁷ = 408347 is a prime.

408475 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (408479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8145 + ... + 8194.

2⁴⁰⁸⁴⁷⁵ is an apocalyptic number.

408475 is a deficient number, since it is larger than the sum of its proper divisors (98065).

408475 is a wasteful number, since it uses less digits than its factorization.

408475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16349 (or 16344 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 408475 is about 639.1204894228. The cubic root of 408475 is about 74.1973669702.

It can be divided in two parts, 40 and 8475, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 408475 in words is "four hundred eight thousand, four hundred seventy-five".