28265372 has 24 divisors (see below), whose sum is σ = 51567600. Its totient is φ = 13539456.

The previous prime is 28265351. The next prime is 28265383. The reversal of 28265372 is 27356282.

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, 15248 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (2148650).

Almost surely, 2^28265372 is an apocalyptic number.

It is an amenable number.

28265372 is a deficient number, since it is larger than the sum of its proper divisors (23302228).

28265372 is a wasteful number, since it uses less digits than its factorization.

28265372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925 (or 1923 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 28265372 is about 5316.5187858222. The cubic root of 28265372 is about 304.6151986779.

The spelling of 28265372 in words is "twenty-eight million, two hundred sixty-five thousand, three hundred seventy-two".