87384256 has 56 divisors (see below), whose sum is σ = 179643024. Its totient is φ = 42147840.

The previous prime is 87384239. The next prime is 87384289. The reversal of 87384256 is 65248378.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310836 + ... + 311116.

Almost surely, 2^87384256 is an apocalyptic number.

87384256 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87384256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89821512).

87384256 is an abundant number, since it is smaller than the sum of its proper divisors (92258768).

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

87384256 is a wasteful number, since it uses less digits than its factorization.

87384256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 439 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 87384256 is about 9347.9546425943. The cubic root of 87384256 is about 443.7561629508.

The spelling of 87384256 in words is "eighty-seven million, three hundred eighty-four thousand, two hundred fifty-six".