28847212 has 6 divisors (see below), whose sum is σ = 50482628. Its totient is φ = 14423604.

The previous prime is 28847207. The next prime is 28847213. The reversal of 28847212 is 21274882.

It is not an unprimeable number, because it can be changed into a prime (28847213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3605898 + ... + 3605905.

Almost surely, 2^28847212 is an apocalyptic number.

It is an amenable number.

28847212 is a deficient number, since it is larger than the sum of its proper divisors (21635416).

28847212 is a wasteful number, since it uses less digits than its factorization.

28847212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211807 (or 7211805 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 28847212 is about 5370.9600631544. The cubic root of 28847212 is about 306.6911768900.

The spelling of 28847212 in words is "twenty-eight million, eight hundred forty-seven thousand, two hundred twelve".