28481335 has 16 divisors (see below), whose sum is σ = 35769600. Its totient is φ = 21742336.

The previous prime is 28481329. The next prime is 28481357. The reversal of 28481335 is 53318482.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28481335 - 2⁵ = 28481303 is a prime.

It is a super-2 number, since 2×28481335² = 1622372886764450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28481335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11802 + ... + 14008.

It is an arithmetic number, because the mean of its divisors is an integer number (2235600).

Almost surely, 2^28481335 is an apocalyptic number.

28481335 is a deficient number, since it is larger than the sum of its proper divisors (7288265).

28481335 is a wasteful number, since it uses less digits than its factorization.

28481335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its digits is 23040, while the sum is 34.

The square root of 28481335 is about 5336.7907022854. The cubic root of 28481335 is about 305.3890404143.

The spelling of 28481335 in words is "twenty-eight million, four hundred eighty-one thousand, three hundred thirty-five".