86609238 has 8 divisors (see below), whose sum is σ = 173218488. Its totient is φ = 28869744.

The previous prime is 86609233. The next prime is 86609293. The reversal of 86609238 is 83290668.

It is a sphenic number, since it is the product of 3 distinct primes.

86609238 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86609238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86609233) 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 3 ways as a sum of consecutive naturals, for example, 7217431 + ... + 7217442.

It is an arithmetic number, because the mean of its divisors is an integer number (21652311).

Almost surely, 2^86609238 is an apocalyptic number.

86609238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86609238 is a wasteful number, since it uses less digits than its factorization.

86609238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14434878.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 86609238 is about 9306.4084372007. The cubic root of 86609238 is about 442.4403622267.

The spelling of 86609238 in words is "eighty-six million, six hundred nine thousand, two hundred thirty-eight".