389300860 has 48 divisors (see below), whose sum is σ = 889027776. Its totient is φ = 142336512.

The previous prime is 389300851. The next prime is 389300893. The reversal of 389300860 is 68003983.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19512 + ... + 34048.

It is an arithmetic number, because the mean of its divisors is an integer number (18521412).

Almost surely, 2^389300860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389300860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444513888).

389300860 is an abundant number, since it is smaller than the sum of its proper divisors (499726916).

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

389300860 is a wasteful number, since it uses less digits than its factorization.

389300860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14662 (or 14660 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 389300860 is about 19730.7085529131. The cubic root of 389300860 is about 730.1775135955.

The spelling of 389300860 in words is "three hundred eighty-nine million, three hundred thousand, eight hundred sixty".