389714449 has 2 divisors, whose sum is σ = 389714450. Its totient is φ = 389714448.

The previous prime is 389714407. The next prime is 389714473. The reversal of 389714449 is 944417983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351187600 + 38526849 = 18740^2 + 6207^2 .

It is a cyclic number.

It is not a de Polignac number, because 389714449 - 2¹⁵ = 389681681 is a prime.

It is not a weakly prime, because it can be changed into another prime (389714249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194857224 + 194857225.

It is an arithmetic number, because the mean of its divisors is an integer number (194857225).

Almost surely, 2^389714449 is an apocalyptic number.

It is an amenable number.

389714449 is a deficient number, since it is larger than the sum of its proper divisors (1).

389714449 is an equidigital number, since it uses as much as digits as its factorization.

389714449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 389714449 is about 19741.1866158040. The cubic root of 389714449 is about 730.4359996294.

The spelling of 389714449 in words is "three hundred eighty-nine million, seven hundred fourteen thousand, four hundred forty-nine".