47000389 has 2 divisors, whose sum is σ = 47000390. Its totient is φ = 47000388.

The previous prime is 47000383. The next prime is 47000399. The reversal of 47000389 is 98300074.

It is a happy number.

47000389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41383489 + 5616900 = 6433^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 47000389 - 2³ = 47000381 is a prime.

It is equal to p_2831719 and since 47000389 and 2831719 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47000389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47000381) 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, 23500194 + 23500195.

It is an arithmetic number, because the mean of its divisors is an integer number (23500195).

Almost surely, 2^47000389 is an apocalyptic number.

It is an amenable number.

47000389 is a deficient number, since it is larger than the sum of its proper divisors (1).

47000389 is an equidigital number, since it uses as much as digits as its factorization.

47000389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 47000389 is about 6855.6829710832. The cubic root of 47000389 is about 360.8836036376.

The spelling of 47000389 in words is "forty-seven million, three hundred eighty-nine", and thus it is an aban number.