408944871 has 24 divisors (see below), whose sum is σ = 602082000. Its totient is φ = 267397632.

The previous prime is 408944869. The next prime is 408944897. The reversal of 408944871 is 178449804.

It is not a de Polignac number, because 408944871 - 2¹ = 408944869 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408944171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439735 + ... + 440663.

It is an arithmetic number, because the mean of its divisors is an integer number (25086750).

Almost surely, 2^408944871 is an apocalyptic number.

408944871 is a deficient number, since it is larger than the sum of its proper divisors (193137129).

408944871 is a wasteful number, since it uses less digits than its factorization.

408944871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 408944871 is about 20222.3853934198. The cubic root of 408944871 is about 742.2580594585.

The spelling of 408944871 in words is "four hundred eight million, nine hundred forty-four thousand, eight hundred seventy-one".