87004236 has 48 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 26118720.

The previous prime is 87004231. The next prime is 87004261. The reversal of 87004236 is 63240078.

It is not an unprimeable number, because it can be changed into a prime (87004231) 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 15 ways as a sum of consecutive naturals, for example, 11365 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2^87004236 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 87004236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111767040).

87004236 is an abundant number, since it is smaller than the sum of its proper divisors (136529844).

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

87004236 is a wasteful number, since it uses less digits than its factorization.

87004236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174 (or 6172 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 87004236 is about 9327.6061237597. The cubic root of 87004236 is about 443.1119535920. Note that the first 3 decimals are identical.

It can be divided in two parts, 870042 and 36, that added together give a palindrome (870078).

The spelling of 87004236 in words is "eighty-seven million, four thousand, two hundred thirty-six".