28974666 has 16 divisors (see below), whose sum is σ = 66227904. Its totient is φ = 8278464.

The previous prime is 28974653. The next prime is 28974679. The reversal of 28974666 is 66647982.

It is an interprime number because it is at equal distance from previous prime (28974653) and next prime (28974679).

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 in 7 ways as a sum of consecutive naturals, for example, 344895 + ... + 344978.

It is an arithmetic number, because the mean of its divisors is an integer number (4139244).

Almost surely, 2^28974666 is an apocalyptic number.

28974666 is an abundant number, since it is smaller than the sum of its proper divisors (37253238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28974666 is a wasteful number, since it uses less digits than its factorization.

28974666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689885.

The product of its digits is 870912, while the sum is 48.

The square root of 28974666 is about 5382.8120903483. The cubic root of 28974666 is about 307.1421920509.

The spelling of 28974666 in words is "twenty-eight million, nine hundred seventy-four thousand, six hundred sixty-six".