86044638 has 8 divisors (see below), whose sum is σ = 172089288. Its totient is φ = 28681544.

The previous prime is 86044571. The next prime is 86044643. The reversal of 86044638 is 83644068.

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

86044638 is an admirable number.

It is a super-3 number, since 3×86044638³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86044596 and 86044605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7170381 + ... + 7170392.

It is an arithmetic number, because the mean of its divisors is an integer number (21511161).

Almost surely, 2^86044638 is an apocalyptic number.

86044638 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.

86044638 is a wasteful number, since it uses less digits than its factorization.

86044638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14340778.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 86044638 is about 9276.0249029420. The cubic root of 86044638 is about 441.4768521642.

The spelling of 86044638 in words is "eighty-six million, forty-four thousand, six hundred thirty-eight".