86857446 has 16 divisors (see below), whose sum is σ = 187077744. Its totient is φ = 26725344.

The previous prime is 86857439. The next prime is 86857481. The reversal of 86857446 is 64475868.

It is a junction number, because it is equal to n+sod(n) for n = 86857395 and 86857404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556701 + ... + 556856.

It is an arithmetic number, because the mean of its divisors is an integer number (11692359).

Almost surely, 2^86857446 is an apocalyptic number.

86857446 is an abundant number, since it is smaller than the sum of its proper divisors (100220298).

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

86857446 is a wasteful number, since it uses less digits than its factorization.

86857446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113575.

The product of its digits is 1290240, while the sum is 48.

The square root of 86857446 is about 9319.7342236783. The cubic root of 86857446 is about 442.8626131726.

The spelling of 86857446 in words is "eighty-six million, eight hundred fifty-seven thousand, four hundred forty-six".