408361 has 2 divisors, whose sum is σ = 408362. Its totient is φ = 408360.

The previous prime is 408347. The next prime is 408379. The reversal of 408361 is 163804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309136 + 99225 = 556^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 408361 - 2¹¹ = 406313 is a prime.

It is not a weakly prime, because it can be changed into another prime (408311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204180 + 204181.

It is an arithmetic number, because the mean of its divisors is an integer number (204181).

2⁴⁰⁸³⁶¹ is an apocalyptic number.

It is an amenable number.

408361 is a deficient number, since it is larger than the sum of its proper divisors (1).

408361 is an equidigital number, since it uses as much as digits as its factorization.

408361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 408361 is about 639.0312981380. The cubic root of 408361 is about 74.1904638248.

The spelling of 408361 in words is "four hundred eight thousand, three hundred sixty-one".