389947014 has 64 divisors (see below), whose sum is σ = 919226880. Its totient is φ = 122268960.

The previous prime is 389947007. The next prime is 389947069. The reversal of 389947014 is 410749983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73189 + ... + 78335.

It is an arithmetic number, because the mean of its divisors is an integer number (14362920).

Almost surely, 2^389947014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389947014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459613440).

389947014 is an abundant number, since it is smaller than the sum of its proper divisors (529279866).

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

389947014 is a wasteful number, since it uses less digits than its factorization.

389947014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242 (or 5236 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 389947014 is about 19747.0760873604. The cubic root of 389947014 is about 730.5812684442.

The spelling of 389947014 in words is "three hundred eighty-nine million, nine hundred forty-seven thousand, fourteen".