8331668 has 6 divisors (see below), whose sum is σ = 14580426. Its totient is φ = 4165832.

The previous prime is 8331667. The next prime is 8331679. The reversal of 8331668 is 8661338.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7997584 + 334084 = 2828^2 + 578^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8331667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041455 + ... + 1041462.

It is an arithmetic number, because the mean of its divisors is an integer number (2430071).

Almost surely, 2^8331668 is an apocalyptic number.

It is an amenable number.

8331668 is a deficient number, since it is larger than the sum of its proper divisors (6248758).

8331668 is a wasteful number, since it uses less digits than its factorization.

8331668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082921 (or 2082919 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 8331668 is about 2886.4628873415. The cubic root of 8331668 is about 202.7265604278.

The spelling of 8331668 in words is "eight million, three hundred thirty-one thousand, six hundred sixty-eight".