389844001 has 2 divisors, whose sum is σ = 389844002. Its totient is φ = 389844000.

The previous prime is 389843963. The next prime is 389844029. The reversal of 389844001 is 100448983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216237025 + 173606976 = 14705^2 + 13176^2 .

It is an emirp because it is prime and its reverse (100448983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389844001 - 2¹⁹ = 389319713 is a prime.

It is not a weakly prime, because it can be changed into another prime (389844041) 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, 194922000 + 194922001.

It is an arithmetic number, because the mean of its divisors is an integer number (194922001).

Almost surely, 2^389844001 is an apocalyptic number.

It is an amenable number.

389844001 is a deficient number, since it is larger than the sum of its proper divisors (1).

389844001 is an equidigital number, since it uses as much as digits as its factorization.

389844001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 389844001 is about 19744.4676048761. The cubic root of 389844001 is about 730.5169297917.

The spelling of 389844001 in words is "three hundred eighty-nine million, eight hundred forty-four thousand, one".