28996463 has 4 divisors (see below), whose sum is σ = 29099208. Its totient is φ = 28893720.

The previous prime is 28996453. The next prime is 28996469. The reversal of 28996463 is 36469982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28996463 - 2⁸ = 28996207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28996469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50948 + ... + 51513.

It is an arithmetic number, because the mean of its divisors is an integer number (7274802).

Almost surely, 2^28996463 is an apocalyptic number.

28996463 is a deficient number, since it is larger than the sum of its proper divisors (102745).

28996463 is a wasteful number, since it uses less digits than its factorization.

28996463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102744.

The product of its digits is 559872, while the sum is 47.

The square root of 28996463 is about 5384.8363949149. The cubic root of 28996463 is about 307.2191915037.

The spelling of 28996463 in words is "twenty-eight million, nine hundred ninety-six thousand, four hundred sixty-three".