389846456 has 8 divisors (see below), whose sum is σ = 730962120. Its totient is φ = 194923224.

The previous prime is 389846447. The next prime is 389846459. The reversal of 389846456 is 654648983.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 389846398 and 389846407.

It is a congruent number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24365396 + ... + 24365411.

It is an arithmetic number, because the mean of its divisors is an integer number (91370265).

Almost surely, 2^389846456 is an apocalyptic number.

It is an amenable number.

389846456 is a deficient number, since it is larger than the sum of its proper divisors (341115664).

389846456 is a wasteful number, since it uses less digits than its factorization.

389846456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48730813 (or 48730809 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 389846456 is about 19744.5297740919. The cubic root of 389846456 is about 730.5184632386.

The spelling of 389846456 in words is "three hundred eighty-nine million, eight hundred forty-six thousand, four hundred fifty-six".