28830671 has 2 divisors, whose sum is σ = 28830672. Its totient is φ = 28830670.

The previous prime is 28830653. The next prime is 28830701. The reversal of 28830671 is 17603882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28830671 - 2¹⁴ = 28814287 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28830601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14415335 + 14415336.

It is an arithmetic number, because the mean of its divisors is an integer number (14415336).

Almost surely, 2^28830671 is an apocalyptic number.

28830671 is a deficient number, since it is larger than the sum of its proper divisors (1).

28830671 is an equidigital number, since it uses as much as digits as its factorization.

28830671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 28830671 is about 5369.4199872984. The cubic root of 28830671 is about 306.6325467448.

The spelling of 28830671 in words is "twenty-eight million, eight hundred thirty thousand, six hundred seventy-one".