28892433 has 8 divisors (see below), whose sum is σ = 39011200. Its totient is φ = 19017648.

The previous prime is 28892429. The next prime is 28892453. The reversal of 28892433 is 33429882.

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

It is not a de Polignac number, because 28892433 - 2² = 28892429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28892391 and 28892400.

It is not an unprimeable number, because it can be changed into a prime (28892453) 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, 60718 + ... + 61191.

It is an arithmetic number, because the mean of its divisors is an integer number (4876400).

Almost surely, 2^28892433 is an apocalyptic number.

It is an amenable number.

28892433 is a deficient number, since it is larger than the sum of its proper divisors (10118767).

28892433 is a wasteful number, since it uses less digits than its factorization.

28892433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121991.

The product of its digits is 82944, while the sum is 39.

The square root of 28892433 is about 5375.1681834153. The cubic root of 28892433 is about 306.8513499776.

The spelling of 28892433 in words is "twenty-eight million, eight hundred ninety-two thousand, four hundred thirty-three".