389873658 has 8 divisors (see below), whose sum is σ = 779747328. Its totient is φ = 129957884.

The previous prime is 389873657. The next prime is 389873663. The reversal of 389873658 is 856378983.

It is a sphenic number, since it is the product of 3 distinct primes.

389873658 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 389873598 and 389873607.

It is not an unprimeable number, because it can be changed into a prime (389873657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32489466 + ... + 32489477.

It is an arithmetic number, because the mean of its divisors is an integer number (97468416).

Almost surely, 2^389873658 is an apocalyptic number.

389873658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389873658 is a wasteful number, since it uses less digits than its factorization.

389873658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64978948.

The product of its digits is 8709120, while the sum is 57.

The square root of 389873658 is about 19745.2186110967. The cubic root of 389873658 is about 730.5354537749.

The spelling of 389873658 in words is "three hundred eighty-nine million, eight hundred seventy-three thousand, six hundred fifty-eight".