28942276 has 12 divisors (see below), whose sum is σ = 55253520. Its totient is φ = 13155560.

The previous prime is 28942259. The next prime is 28942283. The reversal of 28942276 is 67224982.

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, 328846 + ... + 328933.

It is an arithmetic number, because the mean of its divisors is an integer number (4604460).

Almost surely, 2^28942276 is an apocalyptic number.

It is an amenable number.

28942276 is a deficient number, since it is larger than the sum of its proper divisors (26311244).

28942276 is a wasteful number, since it uses less digits than its factorization.

28942276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657794 (or 657792 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 28942276 is about 5379.8025986090. The cubic root of 28942276 is about 307.0277007122.

The spelling of 28942276 in words is "twenty-eight million, nine hundred forty-two thousand, two hundred seventy-six".