389109846 has 8 divisors (see below), whose sum is σ = 778219704. Its totient is φ = 129703280.

The previous prime is 389109841. The next prime is 389109857. The reversal of 389109846 is 648901983.

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

389109846 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 389109795 and 389109804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389109841) 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, 32425815 + ... + 32425826.

It is an arithmetic number, because the mean of its divisors is an integer number (97277463).

Almost surely, 2^389109846 is an apocalyptic number.

389109846 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.

389109846 is a wasteful number, since it uses less digits than its factorization.

389109846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64851646.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 389109846 is about 19725.8674333982. The cubic root of 389109846 is about 730.0580713170.

The spelling of 389109846 in words is "three hundred eighty-nine million, one hundred nine thousand, eight hundred forty-six".