28446612 has 12 divisors (see below), whose sum is σ = 66375456. Its totient is φ = 9482200.

The previous prime is 28446611. The next prime is 28446617. The reversal of 28446612 is 21664482.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28446611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185264 + ... + 1185287.

It is an arithmetic number, because the mean of its divisors is an integer number (5531288).

Almost surely, 2^28446612 is an apocalyptic number.

It is an amenable number.

28446612 is an abundant number, since it is smaller than the sum of its proper divisors (37928844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28446612 is a wasteful number, since it uses less digits than its factorization.

28446612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370558 (or 2370556 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 28446612 is about 5333.5365377955. The cubic root of 28446612 is about 305.2648849997.

The spelling of 28446612 in words is "twenty-eight million, four hundred forty-six thousand, six hundred twelve".