86242238 has 8 divisors (see below), whose sum is σ = 129664800. Its totient is φ = 43020640.

The previous prime is 86242231. The next prime is 86242267. The reversal of 86242238 is 83224268.

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

It is a junction number, because it is equal to n+sod(n) for n = 86242198 and 86242207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86242231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49163 + ... + 50886.

It is an arithmetic number, because the mean of its divisors is an integer number (16208100).

Almost surely, 2^86242238 is an apocalyptic number.

86242238 is a deficient number, since it is larger than the sum of its proper divisors (43422562).

86242238 is a wasteful number, since it uses less digits than its factorization.

86242238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100482.

The product of its digits is 36864, while the sum is 35.

The square root of 86242238 is about 9286.6699090686. The cubic root of 86242238 is about 441.8145417425.

It can be divided in two parts, 862 and 42238, that multiplied together give a square (36409156 = 6034²).

The spelling of 86242238 in words is "eighty-six million, two hundred forty-two thousand, two hundred thirty-eight".