104000389 has 2 divisors, whose sum is σ = 104000390. Its totient is φ = 104000388.

The previous prime is 104000371. The next prime is 104000401. The reversal of 104000389 is 983000401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101304225 + 2696164 = 10065^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 104000389 - 2¹⁵ = 103967621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104000189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52000194 + 52000195.

It is an arithmetic number, because the mean of its divisors is an integer number (52000195).

Almost surely, 2^104000389 is an apocalyptic number.

It is an amenable number.

104000389 is a deficient number, since it is larger than the sum of its proper divisors (1).

104000389 is an equidigital number, since it uses as much as digits as its factorization.

104000389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 104000389 is about 10198.0580994619. The cubic root of 104000389 is about 470.2675238698.

The spelling of 104000389 in words is "one hundred four million, three hundred eighty-nine", and thus it is an aban number.