28466812 has 24 divisors (see below), whose sum is σ = 54593280. Its totient is φ = 12880560.

The previous prime is 28466797. The next prime is 28466821. The reversal of 28466812 is 21866482.

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, 9163 + ... + 11869.

It is an arithmetic number, because the mean of its divisors is an integer number (2274720).

Almost surely, 2^28466812 is an apocalyptic number.

28466812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28466812 is a deficient number, since it is larger than the sum of its proper divisors (26126468).

28466812 is a wasteful number, since it uses less digits than its factorization.

28466812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2959 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 28466812 is about 5335.4298795880. The cubic root of 28466812 is about 305.3371243192.

The spelling of 28466812 in words is "twenty-eight million, four hundred sixty-six thousand, eight hundred twelve".