28736141 has 8 divisors (see below), whose sum is σ = 33014784. Its totient is φ = 24500880.

The previous prime is 28736119. The next prime is 28736143. The reversal of 28736141 is 14163782.

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 28736141 - 2⁶ = 28736077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28736098 and 28736107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28736143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9410 + ... + 12083.

It is an arithmetic number, because the mean of its divisors is an integer number (4126848).

Almost surely, 2^28736141 is an apocalyptic number.

It is an amenable number.

28736141 is a deficient number, since it is larger than the sum of its proper divisors (4278643).

28736141 is a wasteful number, since it uses less digits than its factorization.

28736141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21691.

The product of its digits is 8064, while the sum is 32.

The square root of 28736141 is about 5360.6101331845. The cubic root of 28736141 is about 306.2970508856.

The spelling of 28736141 in words is "twenty-eight million, seven hundred thirty-six thousand, one hundred forty-one".