28130035 has 16 divisors (see below), whose sum is σ = 35377920. Its totient is φ = 21431520.

The previous prime is 28130033. The next prime is 28130093. The reversal of 28130035 is 53003182.

It is not a de Polignac number, because 28130035 - 2¹ = 28130033 is a prime.

It is a super-3 number, since 3×28130035³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28129988 and 28130015.

It is not an unprimeable number, because it can be changed into a prime (28130033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37696 + ... + 38434.

It is an arithmetic number, because the mean of its divisors is an integer number (2211120).

Almost surely, 2^28130035 is an apocalyptic number.

28130035 is a deficient number, since it is larger than the sum of its proper divisors (7247885).

28130035 is a wasteful number, since it uses less digits than its factorization.

28130035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 28130035 is about 5303.7755420078. The cubic root of 28130035 is about 304.1282461845.

The spelling of 28130035 in words is "twenty-eight million, one hundred thirty thousand, thirty-five".