28348612 has 12 divisors (see below), whose sum is σ = 49868476. Its totient is φ = 14100480.

The previous prime is 28348609. The next prime is 28348637. The reversal of 28348612 is 21684382.

It can be written as a sum of positive squares in 2 ways, for example, as 1887876 + 26460736 = 1374^2 + 5144^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 17589 + ... + 19132.

Almost surely, 2^28348612 is an apocalyptic number.

It is an amenable number.

28348612 is a deficient number, since it is larger than the sum of its proper divisors (21519864).

28348612 is a wasteful number, since it uses less digits than its factorization.

28348612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36918 (or 36916 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 28348612 is about 5324.3414616270. The cubic root of 28348612 is about 304.9139307440.

The spelling of 28348612 in words is "twenty-eight million, three hundred forty-eight thousand, six hundred twelve".