28342107 has 6 divisors (see below), whose sum is σ = 40938612. Its totient is φ = 18894732.

The previous prime is 28342103. The next prime is 28342123. The reversal of 28342107 is 70124382.

It is not a de Polignac number, because 28342107 - 2² = 28342103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28342103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1574553 + ... + 1574570.

It is an arithmetic number, because the mean of its divisors is an integer number (6823102).

Almost surely, 2^28342107 is an apocalyptic number.

28342107 is a deficient number, since it is larger than the sum of its proper divisors (12596505).

28342107 is a wasteful number, since it uses less digits than its factorization.

28342107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149129 (or 3149126 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 28342107 is about 5323.7305529112. The cubic root of 28342107 is about 304.8906066527.

Adding to 28342107 its reverse (70124382), we get a palindrome (98466489).

The spelling of 28342107 in words is "twenty-eight million, three hundred forty-two thousand, one hundred seven".