28667235 has 8 divisors (see below), whose sum is σ = 45867600. Its totient is φ = 15289184.

The previous prime is 28667231. The next prime is 28667279. The reversal of 28667235 is 53276682.

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

It is a cyclic number.

It is not a de Polignac number, because 28667235 - 2² = 28667231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28667193 and 28667202.

It is not an unprimeable number, because it can be changed into a prime (28667231) 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, 955560 + ... + 955589.

It is an arithmetic number, because the mean of its divisors is an integer number (5733450).

Almost surely, 2^28667235 is an apocalyptic number.

28667235 is a deficient number, since it is larger than the sum of its proper divisors (17200365).

28667235 is a wasteful number, since it uses less digits than its factorization.

28667235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911157.

The product of its digits is 120960, while the sum is 39.

The square root of 28667235 is about 5354.1792088050. The cubic root of 28667235 is about 306.0520331013.

It can be divided in two parts, 2866 and 7235, that added together give a palindrome (10101).

The spelling of 28667235 in words is "twenty-eight million, six hundred sixty-seven thousand, two hundred thirty-five".