8389768 has 8 divisors (see below), whose sum is σ = 15730830. Its totient is φ = 4194880.

The previous prime is 8389727. The next prime is 8389769. The reversal of 8389768 is 8679838.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5299204 + 3090564 = 2302^2 + 1758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8389769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524353 + ... + 524368.

Almost surely, 2^8389768 is an apocalyptic number.

It is an amenable number.

8389768 is a deficient number, since it is larger than the sum of its proper divisors (7341062).

8389768 is a wasteful number, since it uses less digits than its factorization.

8389768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048727 (or 1048723 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 8389768 is about 2896.5096236678. The cubic root of 8389768 is about 203.1966999898.

The spelling of 8389768 in words is "eight million, three hundred eighty-nine thousand, seven hundred sixty-eight".