28266204 has 12 divisors (see below), whose sum is σ = 65954504. Its totient is φ = 9422064.

The previous prime is 28266197. The next prime is 28266221. The reversal of 28266204 is 40266282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177747 + ... + 1177770.

Almost surely, 2^28266204 is an apocalyptic number.

It is an amenable number.

28266204 is an abundant number, since it is smaller than the sum of its proper divisors (37688300).

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

28266204 is a wasteful number, since it uses less digits than its factorization.

28266204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355524 (or 2355522 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 28266204 is about 5316.5970319369. The cubic root of 28266204 is about 304.6181874629.

The spelling of 28266204 in words is "twenty-eight million, two hundred sixty-six thousand, two hundred four".