28424535 has 8 divisors (see below), whose sum is σ = 45479280. Its totient is φ = 15159744.

The previous prime is 28424533. The next prime is 28424579. The reversal of 28424535 is 53542482.

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

It is not a de Polignac number, because 28424535 - 2¹ = 28424533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28424496 and 28424505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28424533) 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, 947470 + ... + 947499.

It is an arithmetic number, because the mean of its divisors is an integer number (5684910).

Almost surely, 2^28424535 is an apocalyptic number.

28424535 is a deficient number, since it is larger than the sum of its proper divisors (17054745).

28424535 is a wasteful number, since it uses less digits than its factorization.

28424535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894977.

The product of its digits is 38400, while the sum is 33.

The square root of 28424535 is about 5331.4664961903. The cubic root of 28424535 is about 305.1858940224.

The spelling of 28424535 in words is "twenty-eight million, four hundred twenty-four thousand, five hundred thirty-five".