28310959 has 2 divisors, whose sum is σ = 28310960. Its totient is φ = 28310958.

The previous prime is 28310939. The next prime is 28310963. The reversal of 28310959 is 95901382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28310959 - 2¹¹ = 28308911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28310929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14155479 + 14155480.

It is an arithmetic number, because the mean of its divisors is an integer number (14155480).

Almost surely, 2^28310959 is an apocalyptic number.

28310959 is a deficient number, since it is larger than the sum of its proper divisors (1).

28310959 is an equidigital number, since it uses as much as digits as its factorization.

28310959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 28310959 is about 5320.8043564860. The cubic root of 28310959 is about 304.7788740315.

The spelling of 28310959 in words is "twenty-eight million, three hundred ten thousand, nine hundred fifty-nine".