28067488 has 12 divisors (see below), whose sum is σ = 55257930. Its totient is φ = 14033728.

The previous prime is 28067483. The next prime is 28067513. The reversal of 28067488 is 88476082.

It can be written as a sum of positive squares in only one way, i.e., 26749584 + 1317904 = 5172^2 + 1148^2 .

It is a super-3 number, since 3×28067488³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (28067483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438523 + ... + 438586.

Almost surely, 2^28067488 is an apocalyptic number.

It is an amenable number.

28067488 is a deficient number, since it is larger than the sum of its proper divisors (27190442).

28067488 is an equidigital number, since it uses as much as digits as its factorization.

28067488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877119 (or 877111 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 28067488 is about 5297.8758007337. The cubic root of 28067488 is about 303.9026696725.

The spelling of 28067488 in words is "twenty-eight million, sixty-seven thousand, four hundred eighty-eight".