28998363 has 16 divisors (see below), whose sum is σ = 39537152. Its totient is φ = 18900000.

The previous prime is 28998349. The next prime is 28998373. The reversal of 28998363 is 36389982.

It is not a de Polignac number, because 28998363 - 2¹² = 28994267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28998373) 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 15 ways as a sum of consecutive naturals, for example, 38238 + ... + 38988.

It is an arithmetic number, because the mean of its divisors is an integer number (2471072).

Almost surely, 2^28998363 is an apocalyptic number.

28998363 is a deficient number, since it is larger than the sum of its proper divisors (10538789).

28998363 is a wasteful number, since it uses less digits than its factorization.

28998363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its digits is 559872, while the sum is 48.

The square root of 28998363 is about 5385.0128133552. The cubic root of 28998363 is about 307.2259015602.

The spelling of 28998363 in words is "twenty-eight million, nine hundred ninety-eight thousand, three hundred sixty-three".