28418106 has 8 divisors (see below), whose sum is σ = 56836224. Its totient is φ = 9472700.

The previous prime is 28418077. The next prime is 28418107. The reversal of 28418106 is 60181482.

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

28418106 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28418107) 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, 2368170 + ... + 2368181.

It is an arithmetic number, because the mean of its divisors is an integer number (7104528).

Almost surely, 2^28418106 is an apocalyptic number.

28418106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28418106 is a wasteful number, since it uses less digits than its factorization.

28418106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736356.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 28418106 is about 5330.8635322994. The cubic root of 28418106 is about 305.1628835251.

Adding to 28418106 its reverse (60181482), we get a palindrome (88599588).

The spelling of 28418106 in words is "twenty-eight million, four hundred eighteen thousand, one hundred six".