28481034 has 16 divisors (see below), whose sum is σ = 58037472. Its totient is φ = 9314448.

The previous prime is 28481027. The next prime is 28481039. The reversal of 28481034 is 43018482.

It is a super-2 number, since 2×28481034² = 1622338595418312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28480992 and 28481010.

It is not an unprimeable number, because it can be changed into a prime (28481039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44464 + ... + 45099.

It is an arithmetic number, because the mean of its divisors is an integer number (3627342).

Almost surely, 2^28481034 is an apocalyptic number.

28481034 is an abundant number, since it is smaller than the sum of its proper divisors (29556438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28481034 is a wasteful number, since it uses less digits than its factorization.

28481034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89621.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 28481034 is about 5336.7625017420. The cubic root of 28481034 is about 305.3879645937.

It can be divided in two parts, 284 and 81034, that added together give a palindrome (81318).

The spelling of 28481034 in words is "twenty-eight million, four hundred eighty-one thousand, thirty-four".