8004312 has 32 divisors (see below), whose sum is σ = 22234800. Its totient is φ = 2668032.

The previous prime is 8004281. The next prime is 8004313. The reversal of 8004312 is 2134008.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8004313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18313 + ... + 18744.

Almost surely, 2^8004312 is an apocalyptic number.

It is an amenable number.

8004312 is an abundant number, since it is smaller than the sum of its proper divisors (14230488).

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

8004312 is a wasteful number, since it uses less digits than its factorization.

8004312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37072 (or 37062 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 8004312 is about 2829.1892831693. The cubic root of 8004312 is about 200.0359268792.

The spelling of 8004312 in words is "eight million, four thousand, three hundred twelve".