28127650 has 24 divisors (see below), whose sum is σ = 52496640. Its totient is φ = 11212560.

The previous prime is 28127641. The next prime is 28127663. The reversal of 28127650 is 5672182.

28127650 is nontrivially palindromic in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17167 + ... + 18733.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^28127650 is an apocalyptic number.

28127650 is a deficient number, since it is larger than the sum of its proper divisors (24368990).

28127650 is a wasteful number, since it uses less digits than its factorization.

28127650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 28127650 is about 5303.5506974102. The cubic root of 28127650 is about 304.1196507885.

The spelling of 28127650 in words is "twenty-eight million, one hundred twenty-seven thousand, six hundred fifty".