28349753 has 8 divisors (see below), whose sum is σ = 29066688. Its totient is φ = 27639664.

The previous prime is 28349743. The next prime is 28349759. The reversal of 28349753 is 35794382.

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 28349753 - 2¹⁰ = 28348729 is a prime.

It is a super-2 number, since 2×28349753² = 1607416990322018, which contains 22 as substring.

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 28349753.

It is not an unprimeable number, because it can be changed into a prime (28349759) 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, 7250 + ... + 10452.

It is an arithmetic number, because the mean of its divisors is an integer number (3633336).

Almost surely, 2^28349753 is an apocalyptic number.

It is an amenable number.

28349753 is a deficient number, since it is larger than the sum of its proper divisors (716935).

28349753 is a wasteful number, since it uses less digits than its factorization.

28349753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423.

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

The square root of 28349753 is about 5324.4486099501. The cubic root of 28349753 is about 304.9180215043.

The spelling of 28349753 in words is "twenty-eight million, three hundred forty-nine thousand, seven hundred fifty-three".