28058366 has 16 divisors (see below), whose sum is σ = 48470400. Its totient is φ = 11932440.

The previous prime is 28058357. The next prime is 28058377. The reversal of 28058366 is 66385082.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5816 + ... + 9483.

It is an arithmetic number, because the mean of its divisors is an integer number (3029400).

Almost surely, 2^28058366 is an apocalyptic number.

28058366 is a deficient number, since it is larger than the sum of its proper divisors (20412034).

28058366 is a wasteful number, since it uses less digits than its factorization.

28058366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15439.

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

The square root of 28058366 is about 5297.0148196885. The cubic root of 28058366 is about 303.8697430763.

The spelling of 28058366 in words is "twenty-eight million, fifty-eight thousand, three hundred sixty-six".