28339199 has 12 divisors (see below), whose sum is σ = 33134328. Its totient is φ = 24166800.

The previous prime is 28339189. The next prime is 28339211. The reversal of 28339199 is 99193382.

It is not a de Polignac number, because 28339199 - 2⁸ = 28338943 is a prime.

It is a super-2 number, since 2×28339199² = 1606220399923202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28339109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8969 + ... + 11709.

It is an arithmetic number, because the mean of its divisors is an integer number (2761194).

Almost surely, 2^28339199 is an apocalyptic number.

28339199 is a deficient number, since it is larger than the sum of its proper divisors (4795129).

28339199 is a wasteful number, since it uses less digits than its factorization.

28339199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966 (or 2959 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 28339199 is about 5323.4574291526. The cubic root of 28339199 is about 304.8801786793.

The spelling of 28339199 in words is "twenty-eight million, three hundred thirty-nine thousand, one hundred ninety-nine".