28839103 has 2 divisors, whose sum is σ = 28839104. Its totient is φ = 28839102.

The previous prime is 28839071. The next prime is 28839119. The reversal of 28839103 is 30193882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28839103 - 2⁵ = 28839071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28839133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14419551 + 14419552.

It is an arithmetic number, because the mean of its divisors is an integer number (14419552).

Almost surely, 2^28839103 is an apocalyptic number.

28839103 is a deficient number, since it is larger than the sum of its proper divisors (1).

28839103 is an equidigital number, since it uses as much as digits as its factorization.

28839103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 28839103 is about 5370.2051171254. The cubic root of 28839103 is about 306.6624370610.

The spelling of 28839103 in words is "twenty-eight million, eight hundred thirty-nine thousand, one hundred three".