28828652 has 6 divisors (see below), whose sum is σ = 50450148. Its totient is φ = 14414324.

The previous prime is 28828621. The next prime is 28828721. The reversal of 28828652 is 25682882.

It is a super-2 number, since 2×28828652² = 1662182352274208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603578 + ... + 3603585.

It is an arithmetic number, because the mean of its divisors is an integer number (8408358).

Almost surely, 2^28828652 is an apocalyptic number.

It is an amenable number.

28828652 is a deficient number, since it is larger than the sum of its proper divisors (21621496).

28828652 is a wasteful number, since it uses less digits than its factorization.

28828652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207167 (or 7207165 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 28828652 is about 5369.2319748731. The cubic root of 28828652 is about 306.6253887941.

The spelling of 28828652 in words is "twenty-eight million, eight hundred twenty-eight thousand, six hundred fifty-two".