28350668 has 6 divisors (see below), whose sum is σ = 49613676. Its totient is φ = 14175332.

The previous prime is 28350667. The next prime is 28350689. The reversal of 28350668 is 86605382.

It is not an unprimeable number, because it can be changed into a prime (28350667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543830 + ... + 3543837.

It is an arithmetic number, because the mean of its divisors is an integer number (8268946).

Almost surely, 2^28350668 is an apocalyptic number.

It is an amenable number.

28350668 is a deficient number, since it is larger than the sum of its proper divisors (21263008).

28350668 is a wasteful number, since it uses less digits than its factorization.

28350668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087671 (or 7087669 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 28350668 is about 5324.5345336470. The cubic root of 28350668 is about 304.9213019208.

The spelling of 28350668 in words is "twenty-eight million, three hundred fifty thousand, six hundred sixty-eight".