86449856 has 14 divisors (see below), whose sum is σ = 171549060. Its totient is φ = 43224896.

The previous prime is 86449849. The next prime is 86449861. The reversal of 86449856 is 65894468.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675326 + ... + 675453.

Almost surely, 2^86449856 is an apocalyptic number.

It is an amenable number.

86449856 is a deficient number, since it is larger than the sum of its proper divisors (85099204).

86449856 is a wasteful number, since it uses less digits than its factorization.

86449856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350791 (or 1350781 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 86449856 is about 9297.8414699327. The cubic root of 86449856 is about 442.1687963912.

The spelling of 86449856 in words is "eighty-six million, four hundred forty-nine thousand, eight hundred fifty-six".