28332799 has 8 divisors (see below), whose sum is σ = 30948048. Its totient is φ = 25724160.

The previous prime is 28332751. The next prime is 28332847. The reversal of 28332799 is 99723382.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28332751) and next prime (28332847).

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

It is not a de Polignac number, because 28332799 - 2⁷ = 28332671 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 (28332709) 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, 13039 + ... + 15055.

It is an arithmetic number, because the mean of its divisors is an integer number (3868506).

Almost surely, 2^28332799 is an apocalyptic number.

28332799 is a deficient number, since it is larger than the sum of its proper divisors (2615249).

28332799 is a wasteful number, since it uses less digits than its factorization.

28332799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305.

The product of its digits is 163296, while the sum is 43.

The square root of 28332799 is about 5322.8562821102. The cubic root of 28332799 is about 304.8572260187.

The spelling of 28332799 in words is "twenty-eight million, three hundred thirty-two thousand, seven hundred ninety-nine".