28332107 has 8 divisors (see below), whose sum is σ = 29309280. Its totient is φ = 27368640.

The previous prime is 28332077. The next prime is 28332131. The reversal of 28332107 is 70123382.

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 28332107 - 2¹⁶ = 28266571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28332197) 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, 869 + ... + 7577.

It is an arithmetic number, because the mean of its divisors is an integer number (3663660).

Almost surely, 2^28332107 is an apocalyptic number.

28332107 is a deficient number, since it is larger than the sum of its proper divisors (977173).

28332107 is a wasteful number, since it uses less digits than its factorization.

28332107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 28332107 is about 5322.7912790189. The cubic root of 28332107 is about 304.8547440552.

Adding to 28332107 its reverse (70123382), we get a palindrome (98455489).

The spelling of 28332107 in words is "twenty-eight million, three hundred thirty-two thousand, one hundred seven".