86239506 has 8 divisors (see below), whose sum is σ = 172479024. Its totient is φ = 28746500.

The previous prime is 86239493. The next prime is 86239507. The reversal of 86239506 is 60593268.

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

86239506 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (86239507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7186620 + ... + 7186631.

It is an arithmetic number, because the mean of its divisors is an integer number (21559878).

Almost surely, 2^86239506 is an apocalyptic number.

86239506 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.

86239506 is a wasteful number, since it uses less digits than its factorization.

86239506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14373256.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 86239506 is about 9286.5228153491. The cubic root of 86239506 is about 441.8098763948.

The spelling of 86239506 in words is "eighty-six million, two hundred thirty-nine thousand, five hundred six".