389793873 has 48 divisors (see below), whose sum is σ = 646206720. Its totient is φ = 207766944.

The previous prime is 389793871. The next prime is 389793881. The reversal of 389793873 is 378397983.

It is not a de Polignac number, because 389793873 - 2¹ = 389793871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (389793871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186090 + ... + 188172.

It is an arithmetic number, because the mean of its divisors is an integer number (13462640).

Almost surely, 2^389793873 is an apocalyptic number.

It is an amenable number.

389793873 is a deficient number, since it is larger than the sum of its proper divisors (256412847).

389793873 is a wasteful number, since it uses less digits than its factorization.

389793873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2179 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 57.

The square root of 389793873 is about 19743.1981451841. The cubic root of 389793873 is about 730.4856173331.

The spelling of 389793873 in words is "three hundred eighty-nine million, seven hundred ninety-three thousand, eight hundred seventy-three".