28816633 has 8 divisors (see below), whose sum is σ = 30257280. Its totient is φ = 27405840.

The previous prime is 28816609. The next prime is 28816643. The reversal of 28816633 is 33661882.

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 28816633 - 2¹³ = 28808441 is a prime.

It is a Duffinian number.

28816633 is a modest number, since divided by 6633 gives 2881 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 28816592 and 28816601.

It is not an unprimeable number, because it can be changed into a prime (28816643) 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, 5473 + ... + 9358.

It is an arithmetic number, because the mean of its divisors is an integer number (3782160).

Almost surely, 2^28816633 is an apocalyptic number.

It is an amenable number.

28816633 is a deficient number, since it is larger than the sum of its proper divisors (1440647).

28816633 is a wasteful number, since it uses less digits than its factorization.

28816633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14927.

The product of its digits is 41472, while the sum is 37.

The square root of 28816633 is about 5368.1126105923. The cubic root of 28816633 is about 306.5827709751.

The spelling of 28816633 in words is "twenty-eight million, eight hundred sixteen thousand, six hundred thirty-three".