86446416 has 40 divisors (see below), whose sum is σ = 255223744. Its totient is φ = 24698880.

The previous prime is 86446403. The next prime is 86446417. The reversal of 86446416 is 61464468.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86446417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128305 + ... + 128976.

Almost surely, 2^86446416 is an apocalyptic number.

It is an amenable number.

86446416 is an abundant number, since it is smaller than the sum of its proper divisors (168777328).

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

86446416 is a wasteful number, since it uses less digits than its factorization.

86446416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257299 (or 257293 counting only the distinct ones).

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

The square root of 86446416 is about 9297.6564789198. The cubic root of 86446416 is about 442.1629314081.

The spelling of 86446416 in words is "eighty-six million, four hundred forty-six thousand, four hundred sixteen".