86430218 has 24 divisors (see below), whose sum is σ = 151142112. Its totient is φ = 36960504.

The previous prime is 86430203. The next prime is 86430233. The reversal of 86430218 is 81203468.

It is an interprime number because it is at equal distance from previous prime (86430203) and next prime (86430233).

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 11 ways as a sum of consecutive naturals, for example, 72221 + ... + 73407.

It is an arithmetic number, because the mean of its divisors is an integer number (6297588).

Almost surely, 2^86430218 is an apocalyptic number.

86430218 is a deficient number, since it is larger than the sum of its proper divisors (64711894).

86430218 is a wasteful number, since it uses less digits than its factorization.

86430218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1939 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 86430218 is about 9296.7853583914. The cubic root of 86430218 is about 442.1353127480.

The spelling of 86430218 in words is "eighty-six million, four hundred thirty thousand, two hundred eighteen".