86601000 has 64 divisors (see below), whose sum is σ = 270204480. Its totient is φ = 23092800.

The previous prime is 86600999. The next prime is 86601001. The reversal of 86601000 is 10668.

It is an interprime number because it is at equal distance from previous prime (86600999) and next prime (86601001).

It is not an unprimeable number, because it can be changed into a prime (86601001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11434 + ... + 17433.

It is an arithmetic number, because the mean of its divisors is an integer number (4221945).

Almost surely, 2^86601000 is an apocalyptic number.

It is an amenable number.

86601000 is an abundant number, since it is smaller than the sum of its proper divisors (183603480).

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

86601000 is a wasteful number, since it uses less digits than its factorization.

86601000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28891 (or 28877 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 86601000 is about 9305.9658284350. The cubic root of 86601000 is about 442.4263339338.

Adding to 86601000 its reverse (10668), we get a palindrome (86611668).

The spelling of 86601000 in words is "eighty-six million, six hundred one thousand".