28367012 has 12 divisors (see below), whose sum is σ = 50984220. Its totient is φ = 13800096.

The previous prime is 28366979. The next prime is 28367021. The reversal of 28367012 is 21076382.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13498276 + 14868736 = 3674^2 + 3856^2 .

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, 95687 + ... + 95982.

It is an arithmetic number, because the mean of its divisors is an integer number (4248685).

Almost surely, 2^28367012 is an apocalyptic number.

It is an amenable number.

28367012 is a deficient number, since it is larger than the sum of its proper divisors (22617208).

28367012 is a wasteful number, since it uses less digits than its factorization.

28367012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191710 (or 191708 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 28367012 is about 5326.0690945574. The cubic root of 28367012 is about 304.9798858007.

The spelling of 28367012 in words is "twenty-eight million, three hundred sixty-seven thousand, twelve".