8043816 has 32 divisors (see below), whose sum is σ = 21938400. Its totient is φ = 2437440.

The previous prime is 8043809. The next prime is 8043851. The reversal of 8043816 is 6183408.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14971 + ... + 15498.

It is an arithmetic number, because the mean of its divisors is an integer number (685575).

Almost surely, 2^8043816 is an apocalyptic number.

It is an amenable number.

8043816 is an abundant number, since it is smaller than the sum of its proper divisors (13894584).

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

8043816 is a wasteful number, since it uses less digits than its factorization.

8043816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30489 (or 30485 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8043816 is about 2836.1621956440. The cubic root of 8043816 is about 200.3644687426.

The spelling of 8043816 in words is "eight million, forty-three thousand, eight hundred sixteen".