28859545 has 32 divisors (see below), whose sum is σ = 41094144. Its totient is φ = 19180800.

The previous prime is 28859533. The next prime is 28859581. The reversal of 28859545 is 54595882.

It is not a de Polignac number, because 28859545 - 2⁷ = 28859417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28859495 and 28859504.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 129304 + ... + 129526.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^28859545 is an apocalyptic number.

It is an amenable number.

28859545 is a deficient number, since it is larger than the sum of its proper divisors (12234599).

28859545 is a wasteful number, since it uses less digits than its factorization.

28859545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433.

The product of its digits is 576000, while the sum is 46.

The square root of 28859545 is about 5372.1080592259. The cubic root of 28859545 is about 306.7348770504.

The spelling of 28859545 in words is "twenty-eight million, eight hundred fifty-nine thousand, five hundred forty-five".