86609682 has 64 divisors (see below), whose sum is σ = 197775360. Its totient is φ = 28086912.

The previous prime is 86609669. The next prime is 86609693. The reversal of 86609682 is 28690668.

It is a super-2 number, since 2×86609682² = 15002474032282248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500548 + ... + 500720.

It is an arithmetic number, because the mean of its divisors is an integer number (3090240).

Almost surely, 2^86609682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86609682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98887680).

86609682 is an abundant number, since it is smaller than the sum of its proper divisors (111165678).

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

86609682 is a wasteful number, since it uses less digits than its factorization.

86609682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 86609682 is about 9306.4322917002. The cubic root of 86609682 is about 442.4411182784.

The spelling of 86609682 in words is "eighty-six million, six hundred nine thousand, six hundred eighty-two".