408071 has 2 divisors, whose sum is σ = 408072. Its totient is φ = 408070.

The previous prime is 408049. The next prime is 408077. The reversal of 408071 is 170804.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408071 - 2¹⁰ = 407047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204035 + 204036.

It is an arithmetic number, because the mean of its divisors is an integer number (204036).

2⁴⁰⁸⁰⁷¹ is an apocalyptic number.

408071 is a deficient number, since it is larger than the sum of its proper divisors (1).

408071 is an equidigital number, since it uses as much as digits as its factorization.

408071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 408071 is about 638.8043518950. The cubic root of 408071 is about 74.1728973991.

Adding to 408071 its reverse (170804), we get a palindrome (578875).

The spelling of 408071 in words is "four hundred eight thousand, seventy-one".