389467746 has 12 divisors (see below), whose sum is σ = 843846822. Its totient is φ = 129822576.

The previous prime is 389467723. The next prime is 389467747. The reversal of 389467746 is 647764983.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 344510721 + 44957025 = 18561^2 + 6705^2 .

It is a junction number, because it is equal to n+sod(n) for n = 389467692 and 389467701.

It is not an unprimeable number, because it can be changed into a prime (389467747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10818531 + ... + 10818566.

Almost surely, 2^389467746 is an apocalyptic number.

389467746 is an abundant number, since it is smaller than the sum of its proper divisors (454379076).

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

389467746 is a wasteful number, since it uses less digits than its factorization.

389467746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21637105 (or 21637102 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 389467746 is about 19734.9371927047. The cubic root of 389467746 is about 730.2818365059.

The spelling of 389467746 in words is "three hundred eighty-nine million, four hundred sixty-seven thousand, seven hundred forty-six".