28372463 has 8 divisors (see below), whose sum is σ = 32471040. Its totient is φ = 24285240.

The previous prime is 28372457. The next prime is 28372481. The reversal of 28372463 is 36427382.

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

It is not a de Polignac number, because 28372463 - 2¹⁰ = 28371439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28372433) 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 7 ways as a sum of consecutive naturals, for example, 3458 + ... + 8288.

It is an arithmetic number, because the mean of its divisors is an integer number (4058880).

Almost surely, 2^28372463 is an apocalyptic number.

28372463 is a deficient number, since it is larger than the sum of its proper divisors (4098577).

28372463 is an equidigital number, since it uses as much as digits as its factorization.

28372463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its digits is 48384, while the sum is 35.

The square root of 28372463 is about 5326.5807982232. The cubic root of 28372463 is about 304.9994195098. Note that the first 3 decimals are identical.

The spelling of 28372463 in words is "twenty-eight million, three hundred seventy-two thousand, four hundred sixty-three".