28350248 has 8 divisors (see below), whose sum is σ = 53156730. Its totient is φ = 14175120.

The previous prime is 28350239. The next prime is 28350253. The reversal of 28350248 is 84205382.

It can be written as a sum of positive squares in only one way, i.e., 23251684 + 5098564 = 4822^2 + 2258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771883 + ... + 1771898.

Almost surely, 2^28350248 is an apocalyptic number.

It is an amenable number.

28350248 is a deficient number, since it is larger than the sum of its proper divisors (24806482).

28350248 is a wasteful number, since it uses less digits than its factorization.

28350248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543787 (or 3543783 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 28350248 is about 5324.4950934337. The cubic root of 28350248 is about 304.9197961646.

The spelling of 28350248 in words is "twenty-eight million, three hundred fifty thousand, two hundred forty-eight".