28826433 has 6 divisors (see below), whose sum is σ = 41638194. Its totient is φ = 19217616.

The previous prime is 28826423. The next prime is 28826437. The reversal of 28826433 is 33462882.

28826433 is a `hidden beast` number, since 2 + 8 + 8 + 2 + 643 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28547649 + 278784 = 5343^2 + 528^2 .

It is not a de Polignac number, because 28826433 - 2⁴ = 28826417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28826437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601460 + ... + 1601477.

It is an arithmetic number, because the mean of its divisors is an integer number (6939699).

Almost surely, 2^28826433 is an apocalyptic number.

It is an amenable number.

28826433 is a deficient number, since it is larger than the sum of its proper divisors (12811761).

28826433 is a wasteful number, since it uses less digits than its factorization.

28826433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202943 (or 3202940 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 28826433 is about 5369.0253305418. The cubic root of 28826433 is about 306.6175213989.

The spelling of 28826433 in words is "twenty-eight million, eight hundred twenty-six thousand, four hundred thirty-three".