86215602 has 64 divisors (see below), whose sum is σ = 203917824. Its totient is φ = 24003840.

The previous prime is 86215583. The next prime is 86215603. The reversal of 86215602 is 20651268.

It is a self number, because there is not a number n which added to its sum of digits gives 86215602.

It is not an unprimeable number, because it can be changed into a prime (86215603) 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 31 ways as a sum of consecutive naturals, for example, 47353 + ... + 49139.

It is an arithmetic number, because the mean of its divisors is an integer number (3186216).

Almost surely, 2^86215602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86215602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101958912).

86215602 is an abundant number, since it is smaller than the sum of its proper divisors (117702222).

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

86215602 is a wasteful number, since it uses less digits than its factorization.

86215602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 86215602 is about 9285.2356997547. The cubic root of 86215602 is about 441.7690521071.

The spelling of 86215602 in words is "eighty-six million, two hundred fifteen thousand, six hundred two".