408771 has 12 divisors (see below), whose sum is σ = 644280. Its totient is φ = 247680.

The previous prime is 408769. The next prime is 408773. The reversal of 408771 is 177804.

It is an interprime number because it is at equal distance from previous prime (408769) and next prime (408773).

It is not a de Polignac number, because 408771 - 2¹ = 408769 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (408773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1966 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (53690).

2⁴⁰⁸⁷⁷¹ is an apocalyptic number.

408771 is a deficient number, since it is larger than the sum of its proper divisors (235509).

408771 is a wasteful number, since it uses less digits than its factorization.

408771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 408771 is about 639.3520157159. The cubic root of 408771 is about 74.2152849315.

The spelling of 408771 in words is "four hundred eight thousand, seven hundred seventy-one".