28424105 has 8 divisors (see below), whose sum is σ = 34137600. Its totient is φ = 22720176.

The previous prime is 28424041. The next prime is 28424107. The reversal of 28424105 is 50142482.

It is a happy number.

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 28424105 - 2⁶ = 28424041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28424107) 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, 9926 + ... + 12464.

It is an arithmetic number, because the mean of its divisors is an integer number (4267200).

Almost surely, 2^28424105 is an apocalyptic number.

It is an amenable number.

28424105 is a deficient number, since it is larger than the sum of its proper divisors (5713495).

28424105 is a wasteful number, since it uses less digits than its factorization.

28424105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 28424105 is about 5331.4261694222. The cubic root of 28424105 is about 305.1843550867.

Adding to 28424105 its reverse (50142482), we get a palindrome (78566587).

It can be divided in two parts, 284 and 24105, that added together give a cube (24389 = 29³).

The spelling of 28424105 in words is "twenty-eight million, four hundred twenty-four thousand, one hundred five".