28611033 has 8 divisors (see below), whose sum is σ = 41616096. Its totient is φ = 17340000.

The previous prime is 28611007. The next prime is 28611041. The reversal of 28611033 is 33011682.

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

It is not a de Polignac number, because 28611033 - 2⁶ = 28610969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28610994 and 28611012.

It is not an unprimeable number, because it can be changed into a prime (28611133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433468 + ... + 433533.

It is an arithmetic number, because the mean of its divisors is an integer number (5202012).

Almost surely, 2^28611033 is an apocalyptic number.

It is an amenable number.

28611033 is a deficient number, since it is larger than the sum of its proper divisors (13005063).

28611033 is a wasteful number, since it uses less digits than its factorization.

28611033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867015.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 28611033 is about 5348.9282103988. The cubic root of 28611033 is about 305.8518976589.

The spelling of 28611033 in words is "twenty-eight million, six hundred eleven thousand, thirty-three".