384406349 has 2 divisors, whose sum is σ = 384406350. Its totient is φ = 384406348.

The previous prime is 384406343. The next prime is 384406367. The reversal of 384406349 is 943604483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347561449 + 36844900 = 18643^2 + 6070^2 .

It is a cyclic number.

It is not a de Polignac number, because 384406349 - 2⁴ = 384406333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384406343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192203174 + 192203175.

It is an arithmetic number, because the mean of its divisors is an integer number (192203175).

Almost surely, 2^384406349 is an apocalyptic number.

It is an amenable number.

384406349 is a deficient number, since it is larger than the sum of its proper divisors (1).

384406349 is an equidigital number, since it uses as much as digits as its factorization.

384406349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 384406349 is about 19606.2834060920. The cubic root of 384406349 is about 727.1045304786.

The spelling of 384406349 in words is "three hundred eighty-four million, four hundred six thousand, three hundred forty-nine".