384930449 has 2 divisors, whose sum is σ = 384930450. Its totient is φ = 384930448.

The previous prime is 384930433. The next prime is 384930457. The reversal of 384930449 is 944039483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318801025 + 66129424 = 17855^2 + 8132^2 .

It is a cyclic number.

It is not a de Polignac number, because 384930449 - 2⁴ = 384930433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (384930479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192465224 + 192465225.

It is an arithmetic number, because the mean of its divisors is an integer number (192465225).

Almost surely, 2^384930449 is an apocalyptic number.

It is an amenable number.

384930449 is a deficient number, since it is larger than the sum of its proper divisors (1).

384930449 is an equidigital number, since it uses as much as digits as its factorization.

384930449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 384930449 is about 19619.6444667073. The cubic root of 384930449 is about 727.4348254301.

The spelling of 384930449 in words is "three hundred eighty-four million, nine hundred thirty thousand, four hundred forty-nine".