87384692 has 12 divisors (see below), whose sum is σ = 161918820. Its totient is φ = 41122176.

The previous prime is 87384679. The next prime is 87384701. The reversal of 87384692 is 29648378.

It can be written as a sum of positive squares in 2 ways, for example, as 24245776 + 63138916 = 4924^2 + 7946^2 .

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 3 ways as a sum of consecutive naturals, for example, 642467 + ... + 642602.

It is an arithmetic number, because the mean of its divisors is an integer number (13493235).

Almost surely, 2^87384692 is an apocalyptic number.

It is an amenable number.

87384692 is a deficient number, since it is larger than the sum of its proper divisors (74534128).

87384692 is a wasteful number, since it uses less digits than its factorization.

87384692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285090 (or 1285088 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 87384692 is about 9347.9779631747. The cubic root of 87384692 is about 443.7569009837.

The spelling of 87384692 in words is "eighty-seven million, three hundred eighty-four thousand, six hundred ninety-two".