28000966 has 16 divisors (see below), whose sum is σ = 48234240. Its totient is φ = 11942280.

The previous prime is 28000961. The next prime is 28000981. The reversal of 28000966 is 66900082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28000961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786 + ... + 7693.

It is an arithmetic number, because the mean of its divisors is an integer number (3014640).

Almost surely, 2^28000966 is an apocalyptic number.

28000966 is a deficient number, since it is larger than the sum of its proper divisors (20233274).

28000966 is a wasteful number, since it uses less digits than its factorization.

28000966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699.

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

The square root of 28000966 is about 5291.5938997622. The cubic root of 28000966 is about 303.6623892247.

The spelling of 28000966 in words is "twenty-eight million, nine hundred sixty-six", and thus it is an aban number.