86246380 has 72 divisors (see below), whose sum is σ = 201230064. Its totient is φ = 31025280.

The previous prime is 86246323. The next prime is 86246383. The reversal of 86246380 is 8364268.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (86246383) 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 23 ways as a sum of consecutive naturals, for example, 379827 + ... + 380053.

It is an arithmetic number, because the mean of its divisors is an integer number (2794862).

Almost surely, 2^86246380 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 86246380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100615032).

86246380 is an abundant number, since it is smaller than the sum of its proper divisors (114983684).

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

86246380 is a wasteful number, since it uses less digits than its factorization.

86246380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 86246380 is about 9286.8929142098. The cubic root of 86246380 is about 441.8216147134.

The spelling of 86246380 in words is "eighty-six million, two hundred forty-six thousand, three hundred eighty".