389074471 has 2 divisors, whose sum is σ = 389074472. Its totient is φ = 389074470.

The previous prime is 389074453. The next prime is 389074501. The reversal of 389074471 is 174470983.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389074471 is a prime.

It is a super-3 number, since 3×389074471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389074421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194537235 + 194537236.

It is an arithmetic number, because the mean of its divisors is an integer number (194537236).

Almost surely, 2^389074471 is an apocalyptic number.

389074471 is a deficient number, since it is larger than the sum of its proper divisors (1).

389074471 is an equidigital number, since it uses as much as digits as its factorization.

389074471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 389074471 is about 19724.9707477603. The cubic root of 389074471 is about 730.0359468131.

The spelling of 389074471 in words is "three hundred eighty-nine million, seventy-four thousand, four hundred seventy-one".