28930612 has 12 divisors (see below), whose sum is σ = 50692096. Its totient is φ = 14447160.

The previous prime is 28930571. The next prime is 28930613. The reversal of 28930612 is 21603982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28930613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564 + ... + 7627.

Almost surely, 2^28930612 is an apocalyptic number.

It is an amenable number.

28930612 is a deficient number, since it is larger than the sum of its proper divisors (21761484).

28930612 is a wasteful number, since it uses less digits than its factorization.

28930612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9078 (or 9076 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 28930612 is about 5378.7184347203. The cubic root of 28930612 is about 306.9864501866.

The spelling of 28930612 in words is "twenty-eight million, nine hundred thirty thousand, six hundred twelve".