84003312 has 20 divisors (see below), whose sum is σ = 217008680. Its totient is φ = 28001088.

The previous prime is 84003287. The next prime is 84003317. The reversal of 84003312 is 21330048.

It is a happy number.

It is a super-3 number, since 3×84003312³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84003317) 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 3 ways as a sum of consecutive naturals, for example, 874987 + ... + 875082.

It is an arithmetic number, because the mean of its divisors is an integer number (10850434).

Almost surely, 2^84003312 is an apocalyptic number.

It is an amenable number.

84003312 is an abundant number, since it is smaller than the sum of its proper divisors (133005368).

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

84003312 is a wasteful number, since it uses less digits than its factorization.

84003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750080 (or 1750074 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 84003312 is about 9165.3320725438. The cubic root of 84003312 is about 437.9576698526.

The spelling of 84003312 in words is "eighty-four million, three thousand, three hundred twelve".