28484107 has 4 divisors (see below), whose sum is σ = 28513080. Its totient is φ = 28455136.

The previous prime is 28484101. The next prime is 28484123. The reversal of 28484107 is 70148482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28484107 - 2⁷ = 28483979 is a prime.

It is a super-2 number, since 2×28484107² = 1622688703174898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28484101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12958 + ... + 14995.

It is an arithmetic number, because the mean of its divisors is an integer number (7128270).

Almost surely, 2^28484107 is an apocalyptic number.

28484107 is a deficient number, since it is larger than the sum of its proper divisors (28973).

28484107 is a wasteful number, since it uses less digits than its factorization.

28484107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28972.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 28484107 is about 5337.0504026100. The cubic root of 28484107 is about 305.3989476156.

The spelling of 28484107 in words is "twenty-eight million, four hundred eighty-four thousand, one hundred seven".