86444416 has 16 divisors (see below), whose sum is σ = 172213740. Its totient is φ = 43222144.

The previous prime is 86444401. The next prime is 86444429. The reversal of 86444416 is 61444468.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337546 + ... + 337801.

Almost surely, 2^86444416 is an apocalyptic number.

It is an amenable number.

86444416 is a deficient number, since it is larger than the sum of its proper divisors (85769324).

86444416 is an equidigital number, since it uses as much as digits as its factorization.

86444416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675361 (or 675349 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The square root of 86444416 is about 9297.5489243133. The cubic root of 86444416 is about 442.1595214627.

The spelling of 86444416 in words is "eighty-six million, four hundred forty-four thousand, four hundred sixteen".