28849799 has 8 divisors (see below), whose sum is σ = 33324048. Its totient is φ = 24684160.

The previous prime is 28849789. The next prime is 28849801. The reversal of 28849799 is 99794882.

It is a happy number.

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 28849799 - 2⁴ = 28849783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28849729) 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, 76952 + ... + 77325.

It is an arithmetic number, because the mean of its divisors is an integer number (4165506).

Almost surely, 2^28849799 is an apocalyptic number.

28849799 is a deficient number, since it is larger than the sum of its proper divisors (4474249).

28849799 is a wasteful number, since it uses less digits than its factorization.

28849799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154305.

The product of its digits is 2612736, while the sum is 56.

The square root of 28849799 is about 5371.2008899314. The cubic root of 28849799 is about 306.7003445738.

The spelling of 28849799 in words is "twenty-eight million, eight hundred forty-nine thousand, seven hundred ninety-nine".