28416263 has 2 divisors, whose sum is σ = 28416264. Its totient is φ = 28416262.

The previous prime is 28416257. The next prime is 28416277. The reversal of 28416263 is 36261482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28416263 - 2¹⁶ = 28350727 is a prime.

It is a super-3 number, since 3×28416263³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28416203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14208131 + 14208132.

It is an arithmetic number, because the mean of its divisors is an integer number (14208132).

Almost surely, 2^28416263 is an apocalyptic number.

28416263 is a deficient number, since it is larger than the sum of its proper divisors (1).

28416263 is an equidigital number, since it uses as much as digits as its factorization.

28416263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 28416263 is about 5330.6906681968. The cubic root of 28416263 is about 305.1562864710.

The spelling of 28416263 in words is "twenty-eight million, four hundred sixteen thousand, two hundred sixty-three".