8288642 has 8 divisors (see below), whose sum is σ = 12736332. Its totient is φ = 4043200.

The previous prime is 8288633. The next prime is 8288647. The reversal of 8288642 is 2468828.

It is a Cunningham number, because it is equal to 2879²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 8288641 + 1 = 2879^2 + 1^2 .

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 = 8288596 and 8288605.

It is not an unprimeable number, because it can be changed into a prime (8288647) 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, 50459 + ... + 50622.

Almost surely, 2^8288642 is an apocalyptic number.

8288642 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8288642 is a deficient number, since it is larger than the sum of its proper divisors (4447690).

8288642 is a wasteful number, since it uses less digits than its factorization.

8288642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101124.

The product of its digits is 49152, while the sum is 38.

The square root of 8288642 is about 2879.0001736714. Note that the first 3 decimals coincide. The cubic root of 8288642 is about 202.3769877288.

It can be divided in two parts, 82886 and 42, that added together give a palindrome (82928).

The spelling of 8288642 in words is "eight million, two hundred eighty-eight thousand, six hundred forty-two".