406339 has 2 divisors, whose sum is σ = 406340. Its totient is φ = 406338.

The previous prime is 406331. The next prime is 406349. The reversal of 406339 is 933604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406339 - 2³ = 406331 is a prime.

It is a super-2 number, since 2×406339² = 330222765842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (406331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203169 + 203170.

It is an arithmetic number, because the mean of its divisors is an integer number (203170).

2⁴⁰⁶³³⁹ is an apocalyptic number.

406339 is a deficient number, since it is larger than the sum of its proper divisors (1).

406339 is an equidigital number, since it uses as much as digits as its factorization.

406339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 406339 is about 637.4472527198. The cubic root of 406339 is about 74.0678097696.

The spelling of 406339 in words is "four hundred six thousand, three hundred thirty-nine".