28113953 has 8 divisors (see below), whose sum is σ = 32443008. Its totient is φ = 23863104.

The previous prime is 28113923. The next prime is 28113961. The reversal of 28113953 is 35931182.

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 28113953 - 2⁸ = 28113697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28113923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18776 + ... + 20217.

It is an arithmetic number, because the mean of its divisors is an integer number (4055376).

Almost surely, 2^28113953 is an apocalyptic number.

It is an amenable number.

28113953 is a deficient number, since it is larger than the sum of its proper divisors (4329055).

28113953 is a wasteful number, since it uses less digits than its factorization.

28113953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39103.

The product of its digits is 6480, while the sum is 32.

The square root of 28113953 is about 5302.2592354580. The cubic root of 28113953 is about 304.0702782176.

The spelling of 28113953 in words is "twenty-eight million, one hundred thirteen thousand, nine hundred fifty-three".