408168871 has 8 divisors (see below), whose sum is σ = 445442688. Its totient is φ = 370923000.

The previous prime is 408168869. The next prime is 408168877. The reversal of 408168871 is 178861804.

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

It is a cyclic number.

It is not a de Polignac number, because 408168871 - 2¹ = 408168869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408168877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34086 + ... + 44476.

It is an arithmetic number, because the mean of its divisors is an integer number (55680336).

Almost surely, 2^408168871 is an apocalyptic number.

408168871 is a deficient number, since it is larger than the sum of its proper divisors (37273817).

408168871 is a wasteful number, since it uses less digits than its factorization.

408168871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973.

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 408168871 is about 20203.1896244133. The cubic root of 408168871 is about 741.7882675562.

The spelling of 408168871 in words is "four hundred eight million, one hundred sixty-eight thousand, eight hundred seventy-one".