408049 has 2 divisors, whose sum is σ = 408050. Its totient is φ = 408048.

The previous prime is 408041. The next prime is 408071. The reversal of 408049 is 940804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 17424 = 625^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 408049 - 2³ = 408041 is a prime.

It is a magnanimous number.

It is not a weakly prime, because it can be changed into another prime (408041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204024 + 204025.

It is an arithmetic number, because the mean of its divisors is an integer number (204025).

2⁴⁰⁸⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

408049 is a deficient number, since it is larger than the sum of its proper divisors (1).

408049 is an equidigital number, since it uses as much as digits as its factorization.

408049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 408049 is about 638.7871319931. The cubic root of 408049 is about 74.1715644341.

It can be divided in two parts, 40804 and 9, that multiplied together give a square (367236 = 606²).

The spelling of 408049 in words is "four hundred eight thousand, forty-nine".