86446920 has 64 divisors (see below), whose sum is σ = 296392320. Its totient is φ = 19759104.

The previous prime is 86446897. The next prime is 86446937. The reversal of 86446920 is 2964468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50617 + ... + 52296.

It is an arithmetic number, because the mean of its divisors is an integer number (4631130).

Almost surely, 2^86446920 is an apocalyptic number.

It is an amenable number.

86446920 is an abundant number, since it is smaller than the sum of its proper divisors (209945400).

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

86446920 is a wasteful number, since it uses less digits than its factorization.

86446920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102934 (or 102930 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 86446920 is about 9297.6835824844. The cubic root of 86446920 is about 442.1637907060.

The spelling of 86446920 in words is "eighty-six million, four hundred forty-six thousand, nine hundred twenty".