28070368 has 12 divisors (see below), whose sum is σ = 55263600. Its totient is φ = 14035168.

The previous prime is 28070323. The next prime is 28070369. The reversal of 28070368 is 86307082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28070369) by changing a digit.

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, 438568 + ... + 438631.

It is an arithmetic number, because the mean of its divisors is an integer number (4605300).

Almost surely, 2^28070368 is an apocalyptic number.

It is an amenable number.

28070368 is a deficient number, since it is larger than the sum of its proper divisors (27193232).

28070368 is an equidigital number, since it uses as much as digits as its factorization.

28070368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877209 (or 877201 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 28070368 is about 5298.1476008129. The cubic root of 28070368 is about 303.9130637835.

The spelling of 28070368 in words is "twenty-eight million, seventy thousand, three hundred sixty-eight".