87361386 has 32 divisors (see below), whose sum is σ = 199981440. Its totient is φ = 24923136.

The previous prime is 87361349. The next prime is 87361387. The reversal of 87361386 is 68316378.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (87361387) 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, 39970 + ... + 42098.

It is an arithmetic number, because the mean of its divisors is an integer number (6249420).

Almost surely, 2^87361386 is an apocalyptic number.

87361386 is an abundant number, since it is smaller than the sum of its proper divisors (112620054).

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

87361386 is a wasteful number, since it uses less digits than its factorization.

87361386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118.

The product of its digits is 145152, while the sum is 42.

The square root of 87361386 is about 9346.7313002996. The cubic root of 87361386 is about 443.7174466366.

The spelling of 87361386 in words is "eighty-seven million, three hundred sixty-one thousand, three hundred eighty-six".