28936463 has 8 divisors (see below), whose sum is σ = 30170448. Its totient is φ = 27728064.

The previous prime is 28936441. The next prime is 28936483. The reversal of 28936463 is 36463982.

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 28936463 - 2¹⁴ = 28920079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28936463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28936483) 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, 4070 + ... + 8627.

It is an arithmetic number, because the mean of its divisors is an integer number (3771306).

Almost surely, 2^28936463 is an apocalyptic number.

28936463 is a deficient number, since it is larger than the sum of its proper divisors (1233985).

28936463 is a wasteful number, since it uses less digits than its factorization.

28936463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12793.

The product of its digits is 186624, while the sum is 41.

The square root of 28936463 is about 5379.2623100198. The cubic root of 28936463 is about 307.0071440298.

The spelling of 28936463 in words is "twenty-eight million, nine hundred thirty-six thousand, four hundred sixty-three".