406349 has 2 divisors, whose sum is σ = 406350. Its totient is φ = 406348.

The previous prime is 406339. The next prime is 406361. The reversal of 406349 is 943604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310249 + 96100 = 557^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 406349 - 2⁸ = 406093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203174 + 203175.

It is an arithmetic number, because the mean of its divisors is an integer number (203175).

2⁴⁰⁶³⁴⁹ is an apocalyptic number.

It is an amenable number.

406349 is a deficient number, since it is larger than the sum of its proper divisors (1).

406349 is an equidigital number, since it uses as much as digits as its factorization.

406349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 406349 is about 637.4550964578. The cubic root of 406349 is about 74.0684173674.

The spelling of 406349 in words is "four hundred six thousand, three hundred forty-nine".