84003612 has 96 divisors (see below), whose sum is σ = 246059520. Its totient is φ = 21669120.

The previous prime is 84003611. The next prime is 84003641. The reversal of 84003612 is 21630048.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84003611) 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 31 ways as a sum of consecutive naturals, for example, 211398 + ... + 211794.

It is an arithmetic number, because the mean of its divisors is an integer number (2563120).

Almost surely, 2^84003612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84003612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123029760).

84003612 is an abundant number, since it is smaller than the sum of its proper divisors (162055908).

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

84003612 is a wasteful number, since it uses less digits than its factorization.

84003612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 84003612 is about 9165.3484385483. The cubic root of 84003612 is about 437.9581912096.

It can be divided in two parts, 840036 and 12, that added together give a palindrome (840048).

The spelling of 84003612 in words is "eighty-four million, three thousand, six hundred twelve".