86816424 has 16 divisors (see below), whose sum is σ = 217041120. Its totient is φ = 28938800.

The previous prime is 86816407. The next prime is 86816437. The reversal of 86816424 is 42461868.

It is a super-2 number, since 2×86816424² = 15074182952295552, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808652 + ... + 1808699.

It is an arithmetic number, because the mean of its divisors is an integer number (13565070).

Almost surely, 2^86816424 is an apocalyptic number.

It is an amenable number.

86816424 is an abundant number, since it is smaller than the sum of its proper divisors (130224696).

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

86816424 is a wasteful number, since it uses less digits than its factorization.

86816424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617360 (or 3617356 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 86816424 is about 9317.5331499276. The cubic root of 86816424 is about 442.7928821679.

The spelling of 86816424 in words is "eighty-six million, eight hundred sixteen thousand, four hundred twenty-four".