86336540 has 48 divisors (see below), whose sum is σ = 197188992. Its totient is φ = 31620096.

The previous prime is 86336539. The next prime is 86336543. The reversal of 86336540 is 4563368.

It is a self number, because there is not a number n which added to its sum of digits gives 86336540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86336543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9149 + ... + 16011.

It is an arithmetic number, because the mean of its divisors is an integer number (4108104).

Almost surely, 2^86336540 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 86336540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98594496).

86336540 is an abundant number, since it is smaller than the sum of its proper divisors (110852452).

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

86336540 is a wasteful number, since it uses less digits than its factorization.

86336540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926 (or 6924 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 86336540 is about 9291.7457993641. The cubic root of 86336540 is about 441.9755178457.

The spelling of 86336540 in words is "eighty-six million, three hundred thirty-six thousand, five hundred forty".