8143984 has 40 divisors (see below), whose sum is σ = 16391808. Its totient is φ = 3917760.

The previous prime is 8143939. The next prime is 8143987. The reversal of 8143984 is 4893418.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8143987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76059 + ... + 76165.

Almost surely, 2^8143984 is an apocalyptic number.

It is an amenable number.

8143984 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

8143984 is a wasteful number, since it uses less digits than its factorization.

8143984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 247 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 8143984 is about 2853.7666337667. The cubic root of 8143984 is about 201.1927393902.

The spelling of 8143984 in words is "eight million, one hundred forty-three thousand, nine hundred eighty-four".