8739984 has 40 divisors (see below), whose sum is σ = 24632352. Its totient is φ = 2648320.

The previous prime is 8739967. The next prime is 8740003. The reversal of 8739984 is 4899378.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7749 + ... + 8804.

Almost surely, 2^8739984 is an apocalyptic number.

It is an amenable number.

8739984 is an abundant number, since it is smaller than the sum of its proper divisors (15892368).

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

8739984 is a wasteful number, since it uses less digits than its factorization.

8739984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575 (or 16569 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 8739984 is about 2956.3463937773. The cubic root of 8739984 is about 205.9856086971.

Subtracting from 8739984 its reverse (4899378), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 8739984 in words is "eight million, seven hundred thirty-nine thousand, nine hundred eighty-four".