8315668 has 6 divisors (see below), whose sum is σ = 14552426. Its totient is φ = 4157832.

The previous prime is 8315651. The next prime is 8315689. The reversal of 8315668 is 8665138.

It can be written as a sum of positive squares in only one way, i.e., 7941124 + 374544 = 2818^2 + 612^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1039455 + ... + 1039462.

Almost surely, 2^8315668 is an apocalyptic number.

It is an amenable number.

8315668 is a deficient number, since it is larger than the sum of its proper divisors (6236758).

8315668 is a wasteful number, since it uses less digits than its factorization.

8315668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078921 (or 2078919 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 8315668 is about 2883.6899972084. The cubic root of 8315668 is about 202.5967063369.

It can be divided in two parts, 83 and 15668, that added together give a palindrome (15751).

The spelling of 8315668 in words is "eight million, three hundred fifteen thousand, six hundred sixty-eight".