28823333 has 32 divisors (see below), whose sum is σ = 37705728. Its totient is φ = 21384000.

The previous prime is 28823317. The next prime is 28823341. The reversal of 28823333 is 33332882.

It is not a de Polignac number, because 28823333 - 2⁴ = 28823317 is a prime.

It is a Duffinian number.

28823333 is a modest number, since divided by 3333 gives 2882 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 28823333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28823383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190808 + ... + 190958.

It is an arithmetic number, because the mean of its divisors is an integer number (1178304).

Almost surely, 2^28823333 is an apocalyptic number.

It is an amenable number.

28823333 is a deficient number, since it is larger than the sum of its proper divisors (8882395).

28823333 is a wasteful number, since it uses less digits than its factorization.

28823333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its digits is 20736, while the sum is 32.

The square root of 28823333 is about 5368.7366297854. The cubic root of 28823333 is about 306.6065297697.

The spelling of 28823333 in words is "twenty-eight million, eight hundred twenty-three thousand, three hundred thirty-three".