28983633 has 16 divisors (see below), whose sum is σ = 45000576. Its totient is φ = 16248960.

The previous prime is 28983571. The next prime is 28983641. The reversal of 28983633 is 33638982.

It is not a de Polignac number, because 28983633 - 2⁹ = 28983121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28983653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11908 + ... + 14133.

It is an arithmetic number, because the mean of its divisors is an integer number (2812536).

Almost surely, 2^28983633 is an apocalyptic number.

It is an amenable number.

28983633 is a deficient number, since it is larger than the sum of its proper divisors (16016943).

28983633 is a wasteful number, since it uses less digits than its factorization.

28983633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26104.

The product of its digits is 186624, while the sum is 42.

The square root of 28983633 is about 5383.6449548610. The cubic root of 28983633 is about 307.1738732901.

The spelling of 28983633 in words is "twenty-eight million, nine hundred eighty-three thousand, six hundred thirty-three".