28588141 has 8 divisors (see below), whose sum is σ = 30248000. Its totient is φ = 26943840.

The previous prime is 28588129. The next prime is 28588177. The reversal of 28588141 is 14188582.

It is a happy number.

28588141 is a nontrivial binomial coefficient, being equal to C(7562, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28588141 - 2²³ = 20199533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28588141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28588181) 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 7 ways as a sum of consecutive naturals, for example, 1 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (3781000).

Almost surely, 2^28588141 is an apocalyptic number.

28588141 is the 7561-st triangular number and also the 3781-st hexagonal number.

28588141 is the 2521-st centered nonagonal number.

It is an amenable number.

28588141 is a deficient number, since it is larger than the sum of its proper divisors (1659859).

28588141 is a wasteful number, since it uses less digits than its factorization.

28588141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779.

The product of its digits is 20480, while the sum is 37.

The square root of 28588141 is about 5346.7879142528. The cubic root of 28588141 is about 305.7703040791.

The spelling of 28588141 in words is "twenty-eight million, five hundred eighty-eight thousand, one hundred forty-one".