86213420 has 12 divisors (see below), whose sum is σ = 181048224. Its totient is φ = 34485360.

The previous prime is 86213419. The next prime is 86213423. The reversal of 86213420 is 2431268.

It is a self number, because there is not a number n which added to its sum of digits gives 86213420.

It is not an unprimeable number, because it can be changed into a prime (86213423) 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 3 ways as a sum of consecutive naturals, for example, 2155316 + ... + 2155355.

It is an arithmetic number, because the mean of its divisors is an integer number (15087352).

Almost surely, 2^86213420 is an apocalyptic number.

It is an amenable number.

86213420 is an abundant number, since it is smaller than the sum of its proper divisors (94834804).

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

86213420 is a wasteful number, since it uses less digits than its factorization.

86213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310680 (or 4310678 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 86213420 is about 9285.1182006477. The cubic root of 86213420 is about 441.7653252171.

Adding to 86213420 its reverse (2431268), we get a palindrome (88644688).

The spelling of 86213420 in words is "eighty-six million, two hundred thirteen thousand, four hundred twenty".