28985066 has 12 divisors (see below), whose sum is σ = 47789826. Its totient is φ = 13174920.

The previous prime is 28985063. The next prime is 28985069. The reversal of 28985066 is 66058982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28985063) and next prime (28985069).

It can be written as a sum of positive squares in only one way, i.e., 18879025 + 10106041 = 4345^2 + 3179^2 .

It is not an unprimeable number, because it can be changed into a prime (28985063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59645 + ... + 60128.

Almost surely, 2^28985066 is an apocalyptic number.

28985066 is a deficient number, since it is larger than the sum of its proper divisors (18804760).

28985066 is a wasteful number, since it uses less digits than its factorization.

28985066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119797 (or 119786 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 28985066 is about 5383.7780414872. The cubic root of 28985066 is about 307.1789356058.

The spelling of 28985066 in words is "twenty-eight million, nine hundred eighty-five thousand, sixty-six".