28588829 has 2 divisors, whose sum is σ = 28588830. Its totient is φ = 28588828.

The previous prime is 28588817. The next prime is 28588841. The reversal of 28588829 is 92888582.

It is a balanced prime because it is at equal distance from previous prime (28588817) and next prime (28588841).

It can be written as a sum of positive squares in only one way, i.e., 19377604 + 9211225 = 4402^2 + 3035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28588829 is a prime.

It is a super-2 number, since 2×28588829² = 1634642287182482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28588129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14294414 + 14294415.

It is an arithmetic number, because the mean of its divisors is an integer number (14294415).

Almost surely, 2^28588829 is an apocalyptic number.

It is an amenable number.

28588829 is a deficient number, since it is larger than the sum of its proper divisors (1).

28588829 is an equidigital number, since it uses as much as digits as its factorization.

28588829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 737280, while the sum is 50.

The square root of 28588829 is about 5346.8522515589. The cubic root of 28588829 is about 305.7727569409.

The spelling of 28588829 in words is "twenty-eight million, five hundred eighty-eight thousand, eight hundred twenty-nine".