87344028 has 96 divisors (see below), whose sum is σ = 242464320. Its totient is φ = 27095040.

The previous prime is 87344021. The next prime is 87344029. The reversal of 87344028 is 82044378.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 87343983 and 87344001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87344021) 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 31 ways as a sum of consecutive naturals, for example, 207258 + ... + 207678.

It is an arithmetic number, because the mean of its divisors is an integer number (2525670).

Almost surely, 2^87344028 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 87344028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121232160).

87344028 is an abundant number, since it is smaller than the sum of its proper divisors (155120292).

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

87344028 is a wasteful number, since it uses less digits than its factorization.

87344028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 87344028 is about 9345.8026942580. The cubic root of 87344028 is about 443.6880570021.

The spelling of 87344028 in words is "eighty-seven million, three hundred forty-four thousand, twenty-eight".