86444842 has 8 divisors (see below), whose sum is σ = 141455232. Its totient is φ = 39293100.

The previous prime is 86444821. The next prime is 86444849. The reversal of 86444842 is 24844468.

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

It is a junction number, because it is equal to n+sod(n) for n = 86444795 and 86444804.

It is not an unprimeable number, because it can be changed into a prime (86444849) 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, 1964634 + ... + 1964677.

It is an arithmetic number, because the mean of its divisors is an integer number (17681904).

Almost surely, 2^86444842 is an apocalyptic number.

86444842 is a deficient number, since it is larger than the sum of its proper divisors (55010390).

86444842 is a wasteful number, since it uses less digits than its factorization.

86444842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929324.

The product of its digits is 196608, while the sum is 40.

The square root of 86444842 is about 9297.5718335488. The cubic root of 86444842 is about 442.1602477854.

The spelling of 86444842 in words is "eighty-six million, four hundred forty-four thousand, eight hundred forty-two".