28499066 has 4 divisors (see below), whose sum is σ = 42748602. Its totient is φ = 14249532.

The previous prime is 28499057. The next prime is 28499071. The reversal of 28499066 is 66099482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 1677025 = 5179^2 + 1295^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7124765 + ... + 7124768.

Almost surely, 2^28499066 is an apocalyptic number.

28499066 is a deficient number, since it is larger than the sum of its proper divisors (14249536).

28499066 is a wasteful number, since it uses less digits than its factorization.

28499066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14249535.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 28499066 is about 5338.4516481841. The cubic root of 28499066 is about 305.4524003867.

The spelling of 28499066 in words is "twenty-eight million, four hundred ninety-nine thousand, sixty-six".