28883588 has 6 divisors (see below), whose sum is σ = 50546286. Its totient is φ = 14441792.

The previous prime is 28883587. The next prime is 28883597. The reversal of 28883588 is 88538882.

It can be written as a sum of positive squares in only one way, i.e., 27899524 + 984064 = 5282^2 + 992^2 .

It is not an unprimeable number, because it can be changed into a prime (28883587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610445 + ... + 3610452.

It is an arithmetic number, because the mean of its divisors is an integer number (8424381).

Almost surely, 2^28883588 is an apocalyptic number.

It is an amenable number.

28883588 is a deficient number, since it is larger than the sum of its proper divisors (21662698).

28883588 is a wasteful number, since it uses less digits than its factorization.

28883588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7220901 (or 7220899 counting only the distinct ones).

The product of its digits is 983040, while the sum is 50.

The square root of 28883588 is about 5374.3453554828. The cubic root of 28883588 is about 306.8200340825.

The spelling of 28883588 in words is "twenty-eight million, eight hundred eighty-three thousand, five hundred eighty-eight".