28986463 has 8 divisors (see below), whose sum is σ = 32996736. Its totient is φ = 25205400.

The previous prime is 28986449. The next prime is 28986469. The reversal of 28986463 is 36468982.

It is a happy number.

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

It is not a de Polignac number, because 28986463 - 2¹⁷ = 28855391 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 (28986469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57033 + ... + 57538.

It is an arithmetic number, because the mean of its divisors is an integer number (4124592).

Almost surely, 2^28986463 is an apocalyptic number.

28986463 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

28986463 is a deficient number, since it is larger than the sum of its proper divisors (4010273).

28986463 is a wasteful number, since it uses less digits than its factorization.

28986463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114605.

The product of its digits is 497664, while the sum is 46.

The square root of 28986463 is about 5383.9077815282. The cubic root of 28986463 is about 307.1838705849.

The spelling of 28986463 in words is "twenty-eight million, nine hundred eighty-six thousand, four hundred sixty-three".