389914453 has 2 divisors, whose sum is σ = 389914454. Its totient is φ = 389914452.

The previous prime is 389914433. The next prime is 389914457. The reversal of 389914453 is 354419983.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306320004 + 83594449 = 17502^2 + 9143^2 .

It is a cyclic number.

It is not a de Polignac number, because 389914453 - 2⁹ = 389913941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389914457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194957226 + 194957227.

It is an arithmetic number, because the mean of its divisors is an integer number (194957227).

Almost surely, 2^389914453 is an apocalyptic number.

It is an amenable number.

389914453 is a deficient number, since it is larger than the sum of its proper divisors (1).

389914453 is an equidigital number, since it uses as much as digits as its factorization.

389914453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 389914453 is about 19746.2516189782. The cubic root of 389914453 is about 730.5609331012.

The spelling of 389914453 in words is "three hundred eighty-nine million, nine hundred fourteen thousand, four hundred fifty-three".