818986246 has 16 divisors (see below), whose sum is σ = 1323882000. Its totient is φ = 377735328.

The previous prime is 818986243. The next prime is 818986253. The reversal of 818986246 is 642689818.

It is a super-2 number, since 2×818986246² = 1341476942274345032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 818986193 and 818986202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818986243) 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 7 ways as a sum of consecutive naturals, for example, 31080 + ... + 51028.

It is an arithmetic number, because the mean of its divisors is an integer number (82742625).

Almost surely, 2^818986246 is an apocalyptic number.

818986246 is a deficient number, since it is larger than the sum of its proper divisors (504895754).

818986246 is a wasteful number, since it uses less digits than its factorization.

818986246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21543.

The product of its digits is 1327104, while the sum is 52.

The square root of 818986246 is about 28617.9357396721. The cubic root of 818986246 is about 935.6042862727.

The spelling of 818986246 in words is "eight hundred eighteen million, nine hundred eighty-six thousand, two hundred forty-six".