28418102 has 4 divisors (see below), whose sum is σ = 42627156. Its totient is φ = 14209050.

The previous prime is 28418077. The next prime is 28418107. The reversal of 28418102 is 20181482.

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

It is a congruent 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 as a sum of consecutive naturals, namely, 7104524 + ... + 7104527.

It is an arithmetic number, because the mean of its divisors is an integer number (10656789).

Almost surely, 2^28418102 is an apocalyptic number.

28418102 is a deficient number, since it is larger than the sum of its proper divisors (14209054).

28418102 is a wasteful number, since it uses less digits than its factorization.

28418102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14209053.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 28418102 is about 5330.8631571257. The cubic root of 28418102 is about 305.1628692074.

Adding to 28418102 its reverse (20181482), we get a palindrome (48599584).

The spelling of 28418102 in words is "twenty-eight million, four hundred eighteen thousand, one hundred two".