28935628 has 12 divisors (see below), whose sum is σ = 52006192. Its totient is φ = 14076720.

The previous prime is 28935623. The next prime is 28935631. The reversal of 28935628 is 82653982.

It is not an unprimeable number, because it can be changed into a prime (28935623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97608 + ... + 97903.

Almost surely, 2^28935628 is an apocalyptic number.

It is an amenable number.

28935628 is a deficient number, since it is larger than the sum of its proper divisors (23070564).

28935628 is a wasteful number, since it uses less digits than its factorization.

28935628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195552 (or 195550 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 28935628 is about 5379.1846965874. The cubic root of 28935628 is about 307.0041909687.

The spelling of 28935628 in words is "twenty-eight million, nine hundred thirty-five thousand, six hundred twenty-eight".