8389072 has 20 divisors (see below), whose sum is σ = 16311456. Its totient is φ = 4179680.

The previous prime is 8389063. The next prime is 8389079. The reversal of 8389072 is 2709838.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8389079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4797 + ... + 6307.

Almost surely, 2^8389072 is an apocalyptic number.

It is an amenable number.

8389072 is a deficient number, since it is larger than the sum of its proper divisors (7922384).

8389072 is a wasteful number, since it uses less digits than its factorization.

8389072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 8389072 is about 2896.3894765725. The cubic root of 8389072 is about 203.1910808907.

The spelling of 8389072 in words is "eight million, three hundred eighty-nine thousand, seventy-two".