28276061 has 16 divisors (see below), whose sum is σ = 32196096. Its totient is φ = 24600000.

The previous prime is 28276051. The next prime is 28276067. The reversal of 28276061 is 16067282.

It is a cyclic number.

It is not a de Polignac number, because 28276061 - 2⁶ = 28275997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28276067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34031 + ... + 34851.

It is an arithmetic number, because the mean of its divisors is an integer number (2012256).

Almost surely, 2^28276061 is an apocalyptic number.

It is an amenable number.

28276061 is a deficient number, since it is larger than the sum of its proper divisors (3920035).

28276061 is a wasteful number, since it uses less digits than its factorization.

28276061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28276061 is about 5317.5239538718. The cubic root of 28276061 is about 304.6535921995.

It can be divided in two parts, 2827 and 6061, that added together give a palindrome (8888).

The spelling of 28276061 in words is "twenty-eight million, two hundred seventy-six thousand, sixty-one".