86620246 has 8 divisors (see below), whose sum is σ = 130346424. Its totient is φ = 43171440.

The previous prime is 86620241. The next prime is 86620271. The reversal of 86620246 is 64202668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86620241) 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 3 ways as a sum of consecutive naturals, for example, 68560 + ... + 69811.

It is an arithmetic number, because the mean of its divisors is an integer number (16293303).

Almost surely, 2^86620246 is an apocalyptic number.

86620246 is a deficient number, since it is larger than the sum of its proper divisors (43726178).

86620246 is a wasteful number, since it uses less digits than its factorization.

86620246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138686.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 86620246 is about 9306.9998388310. Note that the first 3 decimals coincide. The cubic root of 86620246 is about 442.4591060978.

It can be divided in two parts, 866 and 20246, that added together give a palindrome (21112).

The spelling of 86620246 in words is "eighty-six million, six hundred twenty thousand, two hundred forty-six".