28849533 has 8 divisors (see below), whose sum is σ = 38702688. Its totient is φ = 19114704.

The previous prime is 28849531. The next prime is 28849537. The reversal of 28849533 is 33594882.

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

It is not a de Polignac number, because 28849533 - 2¹ = 28849531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28849531) 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, 29010 + ... + 29987.

It is an arithmetic number, because the mean of its divisors is an integer number (4837836).

Almost surely, 2^28849533 is an apocalyptic number.

It is an amenable number.

28849533 is a deficient number, since it is larger than the sum of its proper divisors (9853155).

28849533 is a wasteful number, since it uses less digits than its factorization.

28849533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59163.

The product of its digits is 207360, while the sum is 42.

The square root of 28849533 is about 5371.1761281865. The cubic root of 28849533 is about 306.6994019613.

The spelling of 28849533 in words is "twenty-eight million, eight hundred forty-nine thousand, five hundred thirty-three".