28792233 has 8 divisors (see below), whose sum is σ = 42655200. Its totient is φ = 19194804.

The previous prime is 28792229. The next prime is 28792259. The reversal of 28792233 is 33229782.

It is not a de Polignac number, because 28792233 - 2² = 28792229 is a prime.

It is a super-2 number, since 2×28792233² = 1657985362252578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28792333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533163 + ... + 533216.

It is an arithmetic number, because the mean of its divisors is an integer number (5331900).

Almost surely, 2^28792233 is an apocalyptic number.

It is an amenable number.

28792233 is a deficient number, since it is larger than the sum of its proper divisors (13862967).

28792233 is a wasteful number, since it uses less digits than its factorization.

28792233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066388 (or 1066382 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 28792233 is about 5365.8394497040. The cubic root of 28792233 is about 306.4962152699.

The spelling of 28792233 in words is "twenty-eight million, seven hundred ninety-two thousand, two hundred thirty-three".