84536532 has 18 divisors (see below), whose sum is σ = 213689658. Its totient is φ = 28178832.

The previous prime is 84536531. The next prime is 84536533. The reversal of 84536532 is 23563548.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84536531) and next prime (84536533).

It can be written as a sum of positive squares in only one way, i.e., 78216336 + 6320196 = 8844^2 + 2514^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2348237 = 84536532 / (8 + 4 + 5 + 3 + 6 + 5 + 3 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84536531) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1174083 + ... + 1174154.

Almost surely, 2^84536532 is an apocalyptic number.

It is an amenable number.

84536532 is an abundant number, since it is smaller than the sum of its proper divisors (129153126).

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

84536532 is a wasteful number, since it uses less digits than its factorization.

84536532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348247 (or 2348242 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 84536532 is about 9194.3750195432. The cubic root of 84536532 is about 438.8823770818.

The spelling of 84536532 in words is "eighty-four million, five hundred thirty-six thousand, five hundred thirty-two".