28303463 has 2 divisors, whose sum is σ = 28303464. Its totient is φ = 28303462.

The previous prime is 28303441. The next prime is 28303493. The reversal of 28303463 is 36430382.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28303463 - 2¹⁶ = 28237927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28303423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14151731 + 14151732.

It is an arithmetic number, because the mean of its divisors is an integer number (14151732).

Almost surely, 2^28303463 is an apocalyptic number.

28303463 is a deficient number, since it is larger than the sum of its proper divisors (1).

28303463 is an equidigital number, since it uses as much as digits as its factorization.

28303463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 28303463 is about 5320.0999050770. The cubic root of 28303463 is about 304.7519725042.

The spelling of 28303463 in words is "twenty-eight million, three hundred three thousand, four hundred sixty-three".