86621382 has 12 divisors (see below), whose sum is σ = 187679700. Its totient is φ = 28873788.

The previous prime is 86621371. The next prime is 86621387. The reversal of 86621382 is 28312668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86621387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2406132 + ... + 2406167.

It is an arithmetic number, because the mean of its divisors is an integer number (15639975).

Almost surely, 2^86621382 is an apocalyptic number.

86621382 is an abundant number, since it is smaller than the sum of its proper divisors (101058318).

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

86621382 is a wasteful number, since it uses less digits than its factorization.

86621382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812307 (or 4812304 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 86621382 is about 9307.0608679647. The cubic root of 86621382 is about 442.4610403313.

The spelling of 86621382 in words is "eighty-six million, six hundred twenty-one thousand, three hundred eighty-two".