28713441 has 8 divisors (see below), whose sum is σ = 38327904. Its totient is φ = 19120640.

The previous prime is 28713437. The next prime is 28713449. The reversal of 28713441 is 14431782.

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 28713441 - 2² = 28713437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28713399 and 28713408.

It is not an unprimeable number, because it can be changed into a prime (28713449) 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, 2016 + ... + 7841.

It is an arithmetic number, because the mean of its divisors is an integer number (4790988).

Almost surely, 2^28713441 is an apocalyptic number.

It is an amenable number.

28713441 is a deficient number, since it is larger than the sum of its proper divisors (9614463).

28713441 is an equidigital number, since it uses as much as digits as its factorization.

28713441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831.

The product of its digits is 5376, while the sum is 30.

The square root of 28713441 is about 5358.4924185819. The cubic root of 28713441 is about 306.2163769279.

The spelling of 28713441 in words is "twenty-eight million, seven hundred thirteen thousand, four hundred forty-one".