389846457 has 96 divisors (see below), whose sum is σ = 764924160. Its totient is φ = 184757760.

The previous prime is 389846447. The next prime is 389846459. The reversal of 389846457 is 754648983.

It is not a de Polignac number, because 389846457 - 2¹⁰ = 389845433 is a prime.

Its product of digits (5806080) is a multiple of the sum of its prime divisors (540).

It is not an unprimeable number, because it can be changed into a prime (389846459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 981783 + ... + 982179.

It is an arithmetic number, because the mean of its divisors is an integer number (7967960).

Almost surely, 2^389846457 is an apocalyptic number.

It is an amenable number.

389846457 is a deficient number, since it is larger than the sum of its proper divisors (375077703).

389846457 is a wasteful number, since it uses less digits than its factorization.

389846457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 540 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 389846457 is about 19744.5297994153. The cubic root of 389846457 is about 730.5184638632.

The spelling of 389846457 in words is "three hundred eighty-nine million, eight hundred forty-six thousand, four hundred fifty-seven".