28614668 has 18 divisors (see below), whose sum is σ = 52351404. Its totient is φ = 13684264.

The previous prime is 28614667. The next prime is 28614671. The reversal of 28614668 is 86641682.

It is not an unprimeable number, because it can be changed into a prime (28614667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4646 + ... + 8877.

Almost surely, 2^28614668 is an apocalyptic number.

It is an amenable number.

28614668 is a deficient number, since it is larger than the sum of its proper divisors (23736736).

28614668 is a wasteful number, since it uses less digits than its factorization.

28614668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573 (or 13548 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 28614668 is about 5349.2679873044. The cubic root of 28614668 is about 305.8648498251.

The spelling of 28614668 in words is "twenty-eight million, six hundred fourteen thousand, six hundred sixty-eight".