408466 has 4 divisors (see below), whose sum is σ = 612702. Its totient is φ = 204232.

The previous prime is 408461. The next prime is 408469. The reversal of 408466 is 664804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 330625 + 77841 = 575^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (408461) by changing a digit.

408466 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 as a sum of consecutive naturals, namely, 102115 + ... + 102118.

2⁴⁰⁸⁴⁶⁶ is an apocalyptic number.

408466 is a deficient number, since it is larger than the sum of its proper divisors (204236).

408466 is a wasteful number, since it uses less digits than its factorization.

408466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204235.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 408466 is about 639.1134484581. The cubic root of 408466 is about 74.1968220317.

The spelling of 408466 in words is "four hundred eight thousand, four hundred sixty-six".