28753963 has 8 divisors (see below), whose sum is σ = 32908032. Its totient is φ = 24611496.

The previous prime is 28753961. The next prime is 28753981. The reversal of 28753963 is 36935782.

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

It is not a de Polignac number, because 28753963 - 2¹ = 28753961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28753961) 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, 3306 + ... + 8272.

It is an arithmetic number, because the mean of its divisors is an integer number (4113504).

Almost surely, 2^28753963 is an apocalyptic number.

28753963 is a deficient number, since it is larger than the sum of its proper divisors (4154069).

28753963 is an equidigital number, since it uses as much as digits as its factorization.

28753963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5801.

The product of its digits is 272160, while the sum is 43.

The square root of 28753963 is about 5362.2721863031. The cubic root of 28753963 is about 306.3603590605.

The spelling of 28753963 in words is "twenty-eight million, seven hundred fifty-three thousand, nine hundred sixty-three".