28264463 has 8 divisors (see below), whose sum is σ = 28644000. Its totient is φ = 27887328.

The previous prime is 28264441. The next prime is 28264471. The reversal of 28264463 is 36446282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28264463 - 2⁸ = 28264207 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 (28264403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37670 + ... + 38412.

It is an arithmetic number, because the mean of its divisors is an integer number (3580500).

Almost surely, 2^28264463 is an apocalyptic number.

28264463 is a deficient number, since it is larger than the sum of its proper divisors (379537).

28264463 is a wasteful number, since it uses less digits than its factorization.

28264463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its digits is 55296, while the sum is 35.

The square root of 28264463 is about 5316.4332968636. The cubic root of 28264463 is about 304.6119332196.

The spelling of 28264463 in words is "twenty-eight million, two hundred sixty-four thousand, four hundred sixty-three".