28860535 has 16 divisors (see below), whose sum is σ = 39002112. Its totient is φ = 20311200.

The previous prime is 28860529. The next prime is 28860541. The reversal of 28860535 is 53506882.

It is an interprime number because it is at equal distance from previous prime (28860529) and next prime (28860541).

It is a de Polignac number, because none of the positive numbers 2^k-28860535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28860494 and 28860503.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6759 + ... + 10168.

It is an arithmetic number, because the mean of its divisors is an integer number (2437632).

Almost surely, 2^28860535 is an apocalyptic number.

28860535 is a deficient number, since it is larger than the sum of its proper divisors (10141577).

28860535 is a wasteful number, since it uses less digits than its factorization.

28860535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16974.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 28860535 is about 5372.2002010350. The cubic root of 28860535 is about 306.7383844291.

The spelling of 28860535 in words is "twenty-eight million, eight hundred sixty thousand, five hundred thirty-five".