86644298 has 16 divisors (see below), whose sum is σ = 140507136. Its totient is φ = 39834480.

The previous prime is 86644297. The next prime is 86644307. The reversal of 86644298 is 89244668.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86644297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 503 + ... + 13173.

It is an arithmetic number, because the mean of its divisors is an integer number (8781696).

Almost surely, 2^86644298 is an apocalyptic number.

86644298 is a deficient number, since it is larger than the sum of its proper divisors (53862838).

86644298 is a wasteful number, since it uses less digits than its factorization.

86644298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12949.

The product of its digits is 663552, while the sum is 47.

The square root of 86644298 is about 9308.2918948645. The cubic root of 86644298 is about 442.5000551140.

The spelling of 86644298 in words is "eighty-six million, six hundred forty-four thousand, two hundred ninety-eight".