86419828 has 48 divisors (see below), whose sum is σ = 174988800. Its totient is φ = 36931680.

The previous prime is 86419819. The next prime is 86419831. The reversal of 86419828 is 82891468.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 139303 + ... + 139921.

It is an arithmetic number, because the mean of its divisors is an integer number (3645600).

Almost surely, 2^86419828 is an apocalyptic number.

It is an amenable number.

86419828 is an abundant number, since it is smaller than the sum of its proper divisors (88568972).

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

86419828 is a wasteful number, since it uses less digits than its factorization.

86419828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 818 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 86419828 is about 9296.2265462929. The cubic root of 86419828 is about 442.1175952949.

It can be divided in two parts, 86 and 419828, that added together give a palindrome (419914).

The spelling of 86419828 in words is "eighty-six million, four hundred nineteen thousand, eight hundred twenty-eight".