28029166 has 12 divisors (see below), whose sum is σ = 46213776. Its totient is φ = 12740420.

The previous prime is 28029151. The next prime is 28029173. The reversal of 28029166 is 66192082.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57670 + ... + 58153.

It is an arithmetic number, because the mean of its divisors is an integer number (3851148).

Almost surely, 2^28029166 is an apocalyptic number.

28029166 is a deficient number, since it is larger than the sum of its proper divisors (18184610).

28029166 is a wasteful number, since it uses less digits than its factorization.

28029166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115847 (or 115836 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 28029166 is about 5294.2578327845. The cubic root of 28029166 is about 303.7642953074.

The spelling of 28029166 in words is "twenty-eight million, twenty-nine thousand, one hundred sixty-six".