6299668 has 6 divisors (see below), whose sum is σ = 11024426. Its totient is φ = 3149832.

The previous prime is 6299663. The next prime is 6299669. The reversal of 6299668 is 8669926.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6290064 + 9604 = 2508^2 + 98^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6299663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787455 + ... + 787462.

Almost surely, 2^6299668 is an apocalyptic number.

It is an amenable number.

6299668 is a deficient number, since it is larger than the sum of its proper divisors (4724758).

6299668 is a wasteful number, since it uses less digits than its factorization.

6299668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574921 (or 1574919 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 6299668 is about 2509.9139427478. The cubic root of 6299668 is about 184.6882306719.

The spelling of 6299668 in words is "six million, two hundred ninety-nine thousand, six hundred sixty-eight".