84538012 has 24 divisors (see below), whose sum is σ = 160742736. Its totient is φ = 38669568.

The previous prime is 84537997. The next prime is 84538031. The reversal of 84538012 is 21083548.

It is a congruent 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, 1318 + ... + 13069.

It is an arithmetic number, because the mean of its divisors is an integer number (6697614).

Almost surely, 2^84538012 is an apocalyptic number.

It is an amenable number.

84538012 is a deficient number, since it is larger than the sum of its proper divisors (76204724).

84538012 is a wasteful number, since it uses less digits than its factorization.

84538012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14517 (or 14515 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 84538012 is about 9194.4555031823. The cubic root of 84538012 is about 438.8849382709.

The spelling of 84538012 in words is "eighty-four million, five hundred thirty-eight thousand, twelve".