8039916 has 18 divisors (see below), whose sum is σ = 20323212. Its totient is φ = 2679960.

The previous prime is 8039897. The next prime is 8039923. The reversal of 8039916 is 6199308.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 223331 = 8039916 / (8 + 0 + 3 + 9 + 9 + 1 + 6).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111630 + ... + 111701.

Almost surely, 2^8039916 is an apocalyptic number.

It is an amenable number.

8039916 is an abundant number, since it is smaller than the sum of its proper divisors (12283296).

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

8039916 is a wasteful number, since it uses less digits than its factorization.

8039916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223341 (or 223336 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 8039916 is about 2835.4745634549. The cubic root of 8039916 is about 200.3320816371.

The spelling of 8039916 in words is "eight million, thirty-nine thousand, nine hundred sixteen".