28394753 has 8 divisors (see below), whose sum is σ = 29138400. Its totient is φ = 27659968.

The previous prime is 28394701. The next prime is 28394761. The reversal of 28394753 is 35749382.

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 28394753 - 2⁶ = 28394689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28394753.

It is not an unprimeable number, because it can be changed into a prime (28394053) 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, 4538 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (3642300).

Almost surely, 2^28394753 is an apocalyptic number.

It is an amenable number.

28394753 is a deficient number, since it is larger than the sum of its proper divisors (743647).

28394753 is a wasteful number, since it uses less digits than its factorization.

28394753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431.

The product of its digits is 181440, while the sum is 41.

The square root of 28394753 is about 5328.6727240468. The cubic root of 28394753 is about 305.0792699092.

The spelling of 28394753 in words is "twenty-eight million, three hundred ninety-four thousand, seven hundred fifty-three".