86214193 has 24 divisors (see below), whose sum is σ = 98314944. Its totient is φ = 75129120.

The previous prime is 86214179. The next prime is 86214217. The reversal of 86214193 is 39141268.

It is a de Polignac number, because none of the positive numbers 2^k-86214193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86214133) 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 23 ways as a sum of consecutive naturals, for example, 836980 + ... + 837082.

It is an arithmetic number, because the mean of its divisors is an integer number (4096456).

Almost surely, 2^86214193 is an apocalyptic number.

It is an amenable number.

86214193 is a deficient number, since it is larger than the sum of its proper divisors (12100751).

86214193 is a wasteful number, since it uses less digits than its factorization.

86214193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 214 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 86214193 is about 9285.1598263035. The cubic root of 86214193 is about 441.7666455203.

The spelling of 86214193 in words is "eighty-six million, two hundred fourteen thousand, one hundred ninety-three".