28529267 has 8 divisors (see below), whose sum is σ = 30780624. Its totient is φ = 26286048.

The previous prime is 28529261. The next prime is 28529309. The reversal of 28529267 is 76292582.

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 28529267 - 2⁴ = 28529251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28529261) 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, 6653 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (3847578).

Almost surely, 2^28529267 is an apocalyptic number.

28529267 is a deficient number, since it is larger than the sum of its proper divisors (2251357).

28529267 is a wasteful number, since it uses less digits than its factorization.

28529267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069.

The product of its digits is 120960, while the sum is 41.

The square root of 28529267 is about 5341.2795283527. The cubic root of 28529267 is about 305.5602601932.

The spelling of 28529267 in words is "twenty-eight million, five hundred twenty-nine thousand, two hundred sixty-seven".