28367966 has 12 divisors (see below), whose sum is σ = 46772376. Its totient is φ = 12894420.

The previous prime is 28367959. The next prime is 28367981. The reversal of 28367966 is 66976382.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28367966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58370 + ... + 58853.

It is an arithmetic number, because the mean of its divisors is an integer number (3897698).

Almost surely, 2^28367966 is an apocalyptic number.

28367966 is a deficient number, since it is larger than the sum of its proper divisors (18404410).

28367966 is a wasteful number, since it uses less digits than its factorization.

28367966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117247 (or 117236 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 28367966 is about 5326.1586532885. The cubic root of 28367966 is about 304.9833046492.

The spelling of 28367966 in words is "twenty-eight million, three hundred sixty-seven thousand, nine hundred sixty-six".