408494166 has 8 divisors (see below), whose sum is σ = 816988344. Its totient is φ = 136164720.

The previous prime is 408494153. The next prime is 408494179. The reversal of 408494166 is 661494804.

It is an interprime number because it is at equal distance from previous prime (408494153) and next prime (408494179).

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

408494166 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 34041175 + ... + 34041186.

It is an arithmetic number, because the mean of its divisors is an integer number (102123543).

Almost surely, 2^408494166 is an apocalyptic number.

408494166 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.

408494166 is a wasteful number, since it uses less digits than its factorization.

408494166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68082366.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 408494166 is about 20211.2386062804. The cubic root of 408494166 is about 741.9852742020.

The spelling of 408494166 in words is "four hundred eight million, four hundred ninety-four thousand, one hundred sixty-six".