28463212 has 12 divisors (see below), whose sum is σ = 51157120. Its totient is φ = 13846896.

The previous prime is 28463161. The next prime is 28463221. The reversal of 28463212 is 21236482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96012 + ... + 96307.

Almost surely, 2^28463212 is an apocalyptic number.

It is an amenable number.

28463212 is a deficient number, since it is larger than the sum of its proper divisors (22693908).

28463212 is a wasteful number, since it uses less digits than its factorization.

28463212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192360 (or 192358 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 28463212 is about 5335.0925015411. The cubic root of 28463212 is about 305.3242524881.

Adding to 28463212 its reverse (21236482), we get a palindrome (49699694).

The spelling of 28463212 in words is "twenty-eight million, four hundred sixty-three thousand, two hundred twelve".