86819446 has 32 divisors (see below), whose sum is σ = 154716480. Its totient is φ = 35750400.

The previous prime is 86819441. The next prime is 86819449. The reversal of 86819446 is 64491868.

It is a junction number, because it is equal to n+sod(n) for n = 86819396 and 86819405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86819441) by changing a digit.

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, 113706 + ... + 114466.

It is an arithmetic number, because the mean of its divisors is an integer number (4834890).

Almost surely, 2^86819446 is an apocalyptic number.

86819446 is a deficient number, since it is larger than the sum of its proper divisors (67897034).

86819446 is a wasteful number, since it uses less digits than its factorization.

86819446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its digits is 331776, while the sum is 46.

The square root of 86819446 is about 9317.6953159030. The cubic root of 86819446 is about 442.7980198462.

The spelling of 86819446 in words is "eighty-six million, eight hundred nineteen thousand, four hundred forty-six".